90=z+2+3z

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Solution for 90=z+2+3z equation: 



90=z+2+3z

We move all terms to the left:

90-(z+2+3z)=0

We add all the numbers together, and all the variables

-(4z+2)+90=0

We get rid of parentheses

-4z-2+90=0

We add all the numbers together, and all the variables

-4z+88=0

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

-4z=-88

z=-88/-4

z=+22

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