-18=15-3(-z+6)+2z

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Solution for -18=15-3(-z+6)+2z equation: 



-18=15-3(-z+6)+2z

We move all terms to the left:

-18-(15-3(-z+6)+2z)=0

We add all the numbers together, and all the variables

-(15-3(-1z+6)+2z)-18=0



We calculate terms in parentheses: -(15-3(-1z+6)+2z), so:

15-3(-1z+6)+2z

determiningTheFunctionDomain
-3(-1z+6)+2z+15

We add all the numbers together, and all the variables

2z-3(-1z+6)+15

We multiply parentheses

2z+3z-18+15

We add all the numbers together, and all the variables

5z-3

Back to the equation:

-(5z-3)



We get rid of parentheses

-5z+3-18=0

We add all the numbers together, and all the variables

-5z-15=0

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

-5z=15

z=15/-5

z=-3

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