-2[4-x]-7=5

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Solution for -2[4-x]-7=5 equation:


-2[4-x]-7=5

We simplify the equation to the form, which is simple to understand 
-2(4-x)-7=5

Reorder the terms in parentheses
+(-8+2x)-7=5

Remove unnecessary parentheses
-8+2x-7=+5

We move all terms containing x to the left and all other terms to the right. 
+2x=+5+8+7

We simplify left and right side of the equation. 
+2x=+20

We divide both sides of the equation by 2 to get x. 
x=10

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