4x+5x-7=20

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Solution for 4x+5x-7=20 equation:


4x+5x-7=20

We simplify the equation to the form, which is simple to understand 
4x+5x-7=20

We move all terms containing x to the left and all other terms to the right. 
+4x+5x=+20+7

We simplify left and right side of the equation. 
+9x=+27

We divide both sides of the equation by 9 to get x. 
x=3

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