5x+9=-7x+81

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Solution for 5x+9=-7x+81 equation:


5x+9=-7x+81

We simplify the equation to the form, which is simple to understand 
5x+9=-7x+81

We move all terms containing x to the left and all other terms to the right. 
+5x+7x=+81-9

We simplify left and right side of the equation. 
+12x=+72

We divide both sides of the equation by 12 to get x. 
x=6

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