-15-7(-4z-20)=3z

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Solution for -15-7(-4z-20)=3z equation:


-15-7(-4z-20)=3z

We simplify the equation to the form, which is simple to understand 
-15-7(-4z-20)=3z

Reorder the terms in parentheses
-15+(+28z+140)=3z

Remove unnecessary parentheses
-15+28z+140=+3z

We move all terms containing z to the left and all other terms to the right. 
+28z-3z=+15-140

We simplify left and right side of the equation. 
+25z=-125

We divide both sides of the equation by 25 to get z. 
z=-5

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