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Anonymous
7x = 4x - 9
3x = -9
x = -3
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7x+7=28x 28x-7x=7 21x=7 x=3
7x - 4 = 60 7x = 64 x = 9.14
-7x + 5 = -9 -7x = -14 7x = 14 x = 2
-46 = 3x + 7x
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