7x+4+x-9=7x+13

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Solution for 7x+4+x-9=7x+13 equation:


7x+4+x-9=7x+13

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

We move all terms containing x to the left and all other terms to the right. 
+7x+1x-7x=+13-4+9

We simplify left and right side of the equation. 
+1x=+18

We divide both sides of the equation by 1 to get x. 
x=18

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