7x-9+3x=-99

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Solution for 7x-9+3x=-99 equation:


7x-9+3x=-99

We simplify the equation to the form, which is simple to understand 
7x-9+3x=-99

We move all terms containing x to the left and all other terms to the right. 
+7x+3x=-99+9

We simplify left and right side of the equation. 
+10x=-90

We divide both sides of the equation by 10 to get x. 
x=-9

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