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x/4-3(6+7)=12
We simplify the equation to the form, which is simple to understand
x/4-3(6+7)=12
Reorder the terms in parentheses
+ 0.25x+(-39)=12
Remove unnecessary parentheses
+ 0.25x-39=+12
We move all terms containing x to the left and all other terms to the right.
+ 0.25x=+12+39
We simplify left and right side of the equation.
+ 0.25x=+51
We divide both sides of the equation by 0.25 to get x.
x=204
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