-7+2x=-21

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Solution for -7+2x=-21 equation:


-7+2x=-21

We simplify the equation to the form, which is simple to understand 
-7+2x=-21

We move all terms containing x to the left and all other terms to the right. 
+2x=-21+7

We simplify left and right side of the equation. 
+2x=-14

We divide both sides of the equation by 2 to get x. 
x=-7

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