-3x+129+7x-1=90

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Solution for -3x+129+7x-1=90 equation:


-3x+129+7x-1=90

We simplify the equation to the form, which is simple to understand 
-3x+129+7x-1=90

We move all terms containing x to the left and all other terms to the right. 
-3x+7x=+90-129+1

We simplify left and right side of the equation. 
+4x=-38

We divide both sides of the equation by 4 to get x. 
x=-9.5

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