4z+7=9z-20

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Solution for 4z+7=9z-20 equation:


4z+7=9z-20

We simplify the equation to the form, which is simple to understand 
4z+7=9z-20

We move all terms containing z to the left and all other terms to the right. 
+4z-9z=-20-7

We simplify left and right side of the equation. 
-5z=-27

We divide both sides of the equation by -5 to get z. 
z=5.4

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