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Rberenice26 ∙
if 3x+7 = 3
then 3x = 3-7
3x = -4
then, x = -4/3
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If: 3x-7+x = 5 Then: x = 3
The answer is -7
(1, 1)
x+7=3x+3 4=2x 4/2=2 x=2
-3x + 2 = -7 - 2 -2 -3x = -9 so x = 3