15=3x-8x

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Solution for 15=3x-8x equation:


15=3x-8x

We simplify the equation to the form, which is simple to understand 
15=3x-8x

We move all terms containing x to the left and all other terms to the right. 
-3x+8x=-15

We simplify left and right side of the equation. 
+5x=-15

We divide both sides of the equation by 5 to get x. 
x=-3

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