4=7+x+8x

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Solution for 4=7+x+8x equation:


4=7+x+8x

We simplify the equation to the form, which is simple to understand 
4=7+x+8x

We move all terms containing x to the left and all other terms to the right. 
-1x-8x=+7-4

We simplify left and right side of the equation. 
-9x=+3

We divide both sides of the equation by -9 to get x. 
x=-0.33333333333333

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