-3x-9-7x=-129

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Solution for -3x-9-7x=-129 equation:


-3x-9-7x=-129

We simplify the equation to the form, which is simple to understand 
-3x-9-7x=-129

We move all terms containing x to the left and all other terms to the right. 
-3x-7x=-129+9

We simplify left and right side of the equation. 
-10x=-120

We divide both sides of the equation by -10 to get x. 
x=12

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