4z-7=-20-1

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Solution for 4z-7=-20-1 equation:


4z-7=-20-1

We simplify the equation to the form, which is simple to understand 
4z-7=-20-1

We move all terms containing z to the left and all other terms to the right. 
+4z=-20-1+7

We simplify left and right side of the equation. 
+4z=-14

We divide both sides of the equation by 4 to get z. 
z=-3.5

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