7x-2(2x-9)=12

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Solution for 7x-2(2x-9)=12 equation:


7x-2(2x-9)=12

We simplify the equation to the form, which is simple to understand 
7x-2(2x-9)=12

Reorder the terms in parentheses
7x+(-4x+18)=12

Remove unnecessary parentheses
+7x-4x+18=+12

We move all terms containing x to the left and all other terms to the right. 
+7x-4x=+12-18

We simplify left and right side of the equation. 
+3x=-6

We divide both sides of the equation by 3 to get x. 
x=-2

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