31=-4x-3(x+13)

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Solution for 31=-4x-3(x+13) equation:


31=-4x-3(x+13)

We simplify the equation to the form, which is simple to understand 
31=-4x-3(x+13)

Reorder the terms in parentheses
31=-4x+(-3x-39)

Remove unnecessary parentheses
+31=-4x-3x-39

We move all terms containing x to the left and all other terms to the right. 
+4x+3x=-39-31

We simplify left and right side of the equation. 
+7x=-70

We divide both sides of the equation by 7 to get x. 
x=-10

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