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-7x-142=130+9x
We simplify the equation to the form, which is simple to understand
-7x-142=130+9x
We move all terms containing x to the left and all other terms to the right.
-7x-9x=+130+142
We simplify left and right side of the equation.
-16x=+272
We divide both sides of the equation by -16 to get x.
x=-17
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