9z-4=4z+21

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Solution for 9z-4=4z+21 equation:


9z-4=4z+21

We simplify the equation to the form, which is simple to understand 
9z-4=4z+21

We move all terms containing z to the left and all other terms to the right. 
+9z-4z=+21+4

We simplify left and right side of the equation. 
+5z=+25

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

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