12+3x+3=4(30-x)

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Solution for 12+3x+3=4(30-x) equation:


12+3x+3=4(30-x)

We simplify the equation to the form, which is simple to understand 
12+3x+3=4(30-x)

Reorder the terms in parentheses
12+3x+3=+(+120-4x)

Remove unnecessary parentheses
+12+3x+3=+120-4x

We move all terms containing x to the left and all other terms to the right. 
+3x+4x=+120-12-3

We simplify left and right side of the equation. 
+7x=+105

We divide both sides of the equation by 7 to get x. 
x=15

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