18=-3(23-z)+2(z-4)

Solution for 18=-3(23-z)+2(z-4) equation:

18=-3(23-z)+2(z-4)

We move all terms to the left:

18-(-3(23-z)+2(z-4))=0

We add all the numbers together, and all the variables

-(-3(-1z+23)+2(z-4))+18=0


We calculate terms in parentheses: -(-3(-1z+23)+2(z-4)), so:

-3(-1z+23)+2(z-4)

We multiply parentheses

3z+2z-69-8

We add all the numbers together, and all the variables

5z-77

Back to the equation:

-(5z-77)


We get rid of parentheses

-5z+77+18=0

We add all the numbers together, and all the variables

-5z+95=0

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

-5z=-95

z=-95/-5

z=+19