4x-3(7-3x)=18

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Solution for 4x-3(7-3x)=18 equation:


4x-3(7-3x)=18

We simplify the equation to the form, which is simple to understand 
4x-3(7-3x)=18

Reorder the terms in parentheses
4x+(-21+9x)=18

Remove unnecessary parentheses
+4x-21+9x=+18

We move all terms containing x to the left and all other terms to the right. 
+4x+9x=+18+21

We simplify left and right side of the equation. 
+13x=+39

We divide both sides of the equation by 13 to get x. 
x=3

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