-20=4(7-3z)

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Solution for -20=4(7-3z) equation:


-20=4(7-3z)

We simplify the equation to the form, which is simple to understand 
-20=4(7-3z)

Reorder the terms in parentheses
-20=+(+28-12z)

Remove unnecessary parentheses
-20=+28-12z

We move all terms containing z to the left and all other terms to the right. 
+12z=+28+20

We simplify left and right side of the equation. 
+12z=+48

We divide both sides of the equation by 012 to get z. 
z=4

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