-12=-2z+3+7z

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Solution for -12=-2z+3+7z equation:


-12=-2z+3+7z

We simplify the equation to the form, which is simple to understand 
-12=-2z+3+7z

We move all terms containing z to the left and all other terms to the right. 
+2z-7z=+3+12

We simplify left and right side of the equation. 
-5z=+15

We divide both sides of the equation by -5 to get z. 
z=-3

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