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[DOC File]Substitution Method Worksheet
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Solve the following by using the substitution method. Remember solve for both “x” and “y” 1) 2x + 8y = 20 2) x = 5. y = 2 2x + y = 10
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[DOC File]www.milc.fcps.net
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In the system of equations above, the first equation is “y = x + 1.” Explain what it means for two expressions to be equal. Observe and discover: y = x + 1 2x + x + 1 = 7 2x + y = 7 The system of equations is written on the left. The first step of the substitution method is on the right. Explain WHAT was done and WHY it would be OK to do that.
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[DOC File]8-1 Solving Systems of Equations
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Use substitution to solve the system of equations. If the system does not have one solution tell whether it has infinitely many solutions or no solution. Y = 2x + 1. Y = 2x + 2 (* You may have a prediction about the answer based on the slopes of the equations ( ) Step 1 – Choose either equation and solve for a single variable.
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[DOC File]Lesson: Systems of Equations
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You can solve a system of equations by solving one equation for one of the variables; then substitute this result into the second equation. 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.
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[DOCX File]Math 10C - Structured Independent Learning
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Use the substitution of one variable to solve a linear system. Solving a system of linear equations – substitution . In Lessons 4-1 and 4-2 you solved linear systems by graphing. The graphing strategy has two drawbacks. First, it is quite time-consuming to draw the graphs; even using a graphing calculator takes a lot of time.
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[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.
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[DOC File]MAT1033 - Solving Systems of Equations Using the Addition ...
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Use substitution to find the solution to a system (see last quiz) Use elimination to find the solution to a system. Use the correct (easiest) method to find the solution to a system. Read, comprehend, and solve real world problems. A. SOLVE THE FOLLOWING SYSTEMS OF EQUATIONS USING THE ADDITION METHOD, multiply one equation if necessary.
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System of equations substitution calculator