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[DOC File]§4
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5-3 Adding and Subtracting Fractions *** You can ONLY add or subtract fractions when they have the SAME denominator (bottom number). Ex:1 Find each sum or difference. Simplify if possible. a) b) Ex:2 Simplify each difference. a) b) Ex:3 Suppose one day you rode a bicycle for hours, and jogged for hours. How many hours did you exercise?
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Adding and Subtracting Fractions With Variables
Adding (Subtracting) Fractions with Variables in Denominator and/or Numerator Step 1: Find LCD and build higher terms using ideas developed on page 189 Step 2: Add the numerators using principles of …
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[DOC File]1-1 Variables and Expressions
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Without using fractions we have no way to add a multiple of one equation to the other in order to eliminate one of the variables. However, you can also add a multiple of one equation to a multiple of another equation. That makes things easier in this case since you can take 3 times the first equation, -2 times the second equation, and then add ...
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[DOC File]Systems of Linear Equations: Elimination by Addition Method
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MAT 0024 SOLVING EQUATIONS INVOLVING FRACTIONS. Worksheet 3. Sections 2.1 & 2.2. Summary: To solve equations, use the addition/multiplication principles to “Get rid of…” 1. P. arentheses by using the distributive property. If no fractions, combine like terms. 2. D. enominators: Multiply each side of equation by common denominator. D
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Add fractions with variables