-1=-3x+7x+7

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Solution for -1=-3x+7x+7 equation:


-1=-3x+7x+7

We simplify the equation to the form, which is simple to understand 
-1=-3x+7x+7

We move all terms containing x to the left and all other terms to the right. 
+3x-7x=+7+1

We simplify left and right side of the equation. 
-4x=+8

We divide both sides of the equation by -4 to get x. 
x=-2

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