15=3z+4+8z

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Solution for 15=3z+4+8z equation: 



15=3z+4+8z

We move all terms to the left:

15-(3z+4+8z)=0

We add all the numbers together, and all the variables

-(11z+4)+15=0

We get rid of parentheses

-11z-4+15=0

We add all the numbers together, and all the variables

-11z+11=0

We move all terms containing z to the left, all other terms to the right

-11z=-11

z=-11/-11

z=1

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