7(x+1)+9(x-4)=12x-13

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Solution for 7(x+1)+9(x-4)=12x-13 equation:


7(x+1)+9(x-4)=12x-13

We simplify the equation to the form, which is simple to understand 
7(x+1)+9(x-4)=12x-13

Reorder the terms in parentheses
+(+7x+7)+9*(x-4)=12x-13

Remove unnecessary parentheses
+7x+7+9+*(+x-4+)=+12x-13

Reorder the terms in parentheses
+7x+7+(+9x-36)=12x-13

Remove unnecessary parentheses
+7x+7+9x-36=+12x-13

We move all terms containing x to the left and all other terms to the right. 
+7x+9x-12x=-13-7+36

We simplify left and right side of the equation. 
+4x=+16

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

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