Elimination by substitution calculator step by step
[DOC File]Lesson: Solving Systems of Equations by the Substitution ...
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Recap: Review with students the steps to solving a system of equations by the substitution method. 1) Write one of the equations in terms of one of the variables. 2) Substitute that into the other equation in place of the variable solved for in Step 1. 3) Solve the equation.
[DOC File]Solving systems by substitution
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Step 3: Solve the remaining equation. Step 4: Take answer from Step 3 and plug it into the first equation to find the other variable. 1) 2) Step 1: Write the coefficients of the variables in a matrix [A]. Write the answers to the equations in matrix [B]. Step 2: Enter [A] and [B] in the calculator. Step 3
[DOC File]Section 1 - Quia
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Step 3: Solve the resulting equation for the remaining variable. Step 4: Substitute the value from step 3 into one of the original equations and solve for the other variable . Graphical Method: Step 1: Solve both equations for y = … Step 2: Put into your calculator and graph (or graph by hand)
[DOC File]Investigation: Solving Equations Using Inverse Matrices
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Step 6. Now solve the equation just like before. Your answer will represent the x value and y value. Check your answer and try solving it using elimination and substitution to see if it works as well. Step 7. Try 2 more! Solve: a. b. *Note: what would happen if you put the inverse on the other side of the 2x1 matrix?
[DOC File]8-1 Solving Systems of Equations
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graph using a table or by using the calculator.) Example 2: Graph the system of equations and determine the number of solutions. Y = 2x + 1. ... Step 2 - Now I will take 1-4y and substitute it into the other equation. I will “substitute” 1-4y for x. ... Solving Systems of Equations by Elimination (Addition & Subtraction) ...
[DOCX File]www.henry.k12.ky.us
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There are several ways to solve systems of equations: graphing, substitution, elimination, Cramer’s Rule, and calculator. Here we will determine what method we should use depending on the word problem. How to Solve Word Problems with a System of Equations. Step 1: Read the problem carefully.
[DOC File]Note: This chapter deals with sets of linear equations
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Step 3: Step 1 & Step 2 will result in 2 equations without one of the 3 variables – Use . elimination or substitution on these 2 equations to solve for the 2 remaining . variables. Step 4: Finally use the 2 values found in Step 3 and substitute into any equation to solve . for the 3rd and final value. Step 5: Write the answer as an ordered triple
[DOC File]Lesson: Systems of Equations
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Here is an example of solving a system of equations by substitution. Find the solution to the following system of equations. x = y + 3. y + 3x = 1 . Step 1: The first equation is solved for x. Substitute (y + 3) in for x in the second equation. y + 3x = 1 becomes y + 3(y + 3) = 1. Step 2: Solve for y. y + 3y + 9 = 1. 4y = -8. y = -2
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