0.45(90)+0.15z=0.20(90+z)

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Solution for 0.45(90)+0.15z=0.20(90+z) equation: 



0.45(90)+0.15z=0.20(90+z)

We move all terms to the left:

0.45(90)+0.15z-(0.20(90+z))=0

We add all the numbers together, and all the variables

0.15z-(0.20(z+90))+0.4590=0

We add all the numbers together, and all the variables

0.15z-(0.20(z+90))+0.459=0



We calculate terms in parentheses: -(0.20(z+90)), so:

0.20(z+90)

We multiply parentheses

0.2z+18

Back to the equation:

-(0.2z+18)



We get rid of parentheses

0.15z-0.2z-18+0.459=0

We add all the numbers together, and all the variables

-0.05z-17.541=0

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

-0.05z=17.541

z=17.541/-0.05

z=-350+0.041/0.05

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