3(9-z)-45=21z-6(3+4z)

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Solution for 3(9-z)-45=21z-6(3+4z) equation:


3(9-z)-45=21z-6(3+4z)

We simplify the equation to the form, which is simple to understand 
3(9-z)-45=21z-6(3+4z)

Reorder the terms in parentheses
+(+27-3z)-45=21z-6*(3+4z)

Remove unnecessary parentheses
+27-3z-45=+21z-6+*(+3+4z+)

Reorder the terms in parentheses
+27-3z-45=21z+(-18-24z)

Remove unnecessary parentheses
+27-3z-45=+21z-18-24z

We move all terms containing z to the left and all other terms to the right. 
-3z-21z+24z=-18-27+45

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

0=0

This equation is an identity, so all real numbers are solutions.

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