7x-12-3x=8x-9

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Solution for 7x-12-3x=8x-9 equation:


7x-12-3x=8x-9

We simplify the equation to the form, which is simple to understand 
7x-12-3x=8x-9

We move all terms containing x to the left and all other terms to the right. 
+7x-3x-8x=-9+12

We simplify left and right side of the equation. 
-4x=+3

We divide both sides of the equation by -4 to get x. 
x=-0.75

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