-2z+7=-21

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


-2z+7=-21

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

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

We simplify left and right side of the equation. 
-2z=-28

We divide both sides of the equation by -2 to get z. 
z=14

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