.5(20)+.25z=75(40+z)

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Solution for .5(20)+.25z=75(40+z) equation: 



.5(20)+.25z=75(40+z)

We move all terms to the left:

.5(20)+.25z-(75(40+z))=0

We add all the numbers together, and all the variables

.25z-(75(z+40))+.520=0

We add all the numbers together, and all the variables

.25z-(75(z+40))+0.52=0



We calculate terms in parentheses: -(75(z+40)), so:

75(z+40)

We multiply parentheses

75z+3000

Back to the equation:

-(75z+3000)



We get rid of parentheses

.25z-75z-3000+0.52=0

We add all the numbers together, and all the variables

-74.75z-2999.48=0

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

-74.75z=2999.48

z=2999.48/-74.75

z=-40+6.40540540541/50.5067567568

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