7z-12=-40

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Solution for 7z-12=-40 equation:


7z-12=-40

We simplify the equation to the form, which is simple to understand 
7z-12=-40

We move all terms containing z to the left and all other terms to the right. 
+7z=-40+12

We simplify left and right side of the equation. 
+7z=-28

We divide both sides of the equation by 7 to get z. 
z=-4

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