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134=-7x-2(7x-4)
We simplify the equation to the form, which is simple to understand
134=-7x-2(7x-4)
Reorder the terms in parentheses
134=-7x+(-14x+8)
Remove unnecessary parentheses
+134=-7x-14x+8
We move all terms containing x to the left and all other terms to the right.
+7x+14x=+8-134
We simplify left and right side of the equation.
+21x=-126
We divide both sides of the equation by 21 to get x.
x=-6
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