7x-3(x+6)=30

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Solution for 7x-3(x+6)=30 equation:


7x-3(x+6)=30

We simplify the equation to the form, which is simple to understand 
7x-3(x+6)=30

Reorder the terms in parentheses
7x+(-3x-18)=30

Remove unnecessary parentheses
+7x-3x-18=+30

We move all terms containing x to the left and all other terms to the right. 
+7x-3x=+30+18

We simplify left and right side of the equation. 
+4x=+48

We divide both sides of the equation by 4 to get x. 
x=12

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