-3x--6=-15

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Solution for -3x--6=-15 equation:


-3x - -6 = -15

We simplify the equation to the form, which is simple to understand 
-3x+6=-15

We move all terms containing x to the left and all other terms to the right. 
-3x=-15-6

We simplify left and right side of the equation. 
-3x=-21

We divide both sides of the equation by -3 to get x. 
x=7

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