4(z-45)=8(z-55)

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Solution for 4(z-45)=8(z-55) equation: 



4(z-45)=8(z-55)

We move all terms to the left:

4(z-45)-(8(z-55))=0

We multiply parentheses

4z-(8(z-55))-180=0



We calculate terms in parentheses: -(8(z-55)), so:

8(z-55)

We multiply parentheses

8z-440

Back to the equation:

-(8z-440)



We get rid of parentheses

4z-8z+440-180=0

We add all the numbers together, and all the variables

-4z+260=0

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

-4z=-260

z=-260/-4

z=+65

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