.5(20)+.25z=0.75(40+z)

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Solution for .5(20)+.25z=0.75(40+z) equation: 



.5(20)+.25z=0.75(40+z)

We move all terms to the left:

.5(20)+.25z-(0.75(40+z))=0

We add all the numbers together, and all the variables

.25z-(0.75(z+40))+.520=0

We add all the numbers together, and all the variables

.25z-(0.75(z+40))+0.52=0



We calculate terms in parentheses: -(0.75(z+40)), so:

0.75(z+40)

We multiply parentheses

0.75z+30

Back to the equation:

-(0.75z+30)



We get rid of parentheses

.25z-0.75z-30+0.52=0

We add all the numbers together, and all the variables

-0.5z-29.48=0

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

-0.5z=29.48

z=29.48/-0.5

z=-58+0.48/0.5

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