(9z-3z)+(4z-7z)=

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Solution for (9z-3z)+(4z-7z)= equation:


(9z-3z)+(4z-7z)=0

We simplify the equation to the form, which is simple to understand 
(9z-3z)+(4z-7z)=0

Simplifying terms in parentheses
(+6z)+(4z-7z)=0

Simplifying terms in parentheses
(+6z)+(-3z)=0

Remove unnecessary parentheses
+6z+(-3z)=0

Remove unnecessary parentheses
+6z-3z=0

We move all terms containing z to the left and all other terms to the right. 
+6z-3z=0

We simplify left and right side of the equation. 
+3z=0

We divide both sides of the equation by 3 to get z. 
z=0

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