78=3(z-54)

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Solution for 78=3(z-54) equation: 



78=3(z-54)

We move all terms to the left:

78-(3(z-54))=0



We calculate terms in parentheses: -(3(z-54)), so:

3(z-54)

We multiply parentheses

3z-162

Back to the equation:

-(3z-162)



We get rid of parentheses

-3z+162+78=0

We add all the numbers together, and all the variables

-3z+240=0

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

-3z=-240

z=-240/-3

z=+80

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