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-(2+7x)=0
We simplify the equation to the form, which is simple to understand
-(2+7x)=0
Remove unnecessary parentheses
-2-7x=0
We move all terms containing x to the left and all other terms to the right.
-7x=0+2
We simplify left and right side of the equation.
-7x=+2
We divide both sides of the equation by -7 to get x.
x=-0.28571428571429
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