Teacher/User Name: DEMO Name:__________________________
Practice Problems
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Period: ________ Date: ____________
 
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1) Fill in the proof to simplify: -x -3 = -2(-4x):

StatementReason
-x -3 = -2(-4x)
-x -3 = 8x
-9x -3 = 0
-9x = 3
x = -1/3

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By Easy Worksheet

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 2) Fill in the proof to simplify: 3(4x + 5) = x:

StatementReason
3(4x + 5) = x
12x + 15 = x
11x + 15 = 0
11x = -15
x = -15/11
3) Fill in the proof to simplify: -2x + 4 = -4(4x -2):

StatementReason
-2x + 4 = -4(4x -2)
-2x + 4 = -16x + 8
14x + 4 = 8
14x = 4
x = 2/7

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By Easy Worksheet

By Easy Worksheet

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 4) Fill in the proof to simplify: -1 = -4x -2:

StatementReason
-1 = -4x -2
1 = -4x
-1/4 = x
x = -1/4

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