7z+7-5z=21-5z

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Solution for 7z+7-5z=21-5z equation:


7z+7-5z=21-5z

We simplify the equation to the form, which is simple to understand 
7z+7-5z=21-5z

We move all terms containing z to the left and all other terms to the right. 
+7z-5z+5z=+21-7

We simplify left and right side of the equation. 
+7z=+14

We divide both sides of the equation by 7 to get z. 
z=2

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