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-4(x+2)=x-14+21
We simplify the equation to the form, which is simple to understand
-4(x+2)=x-14+21
Reorder the terms in parentheses
+(-4x-8)=x-14+21
Remove unnecessary parentheses
-4x-8=+x-14+21
We move all terms containing x to the left and all other terms to the right.
-4x-1x=-14+21+8
We simplify left and right side of the equation.
-5x=+15
We divide both sides of the equation by -5 to get x.
x=-3
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