50=x+0.3(90-x)

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Solution for 50=x+0.3(90-x) equation: 



50=x+0.3(90-x)

We move all terms to the left:

50-(x+0.3(90-x))=0

We add all the numbers together, and all the variables

-(x+0.3(-1x+90))+50=0



We calculate terms in parentheses: -(x+0.3(-1x+90)), so:

x+0.3(-1x+90)

We multiply parentheses

x-0.3x+27

We add all the numbers together, and all the variables

0.7x+27

Back to the equation:

-(0.7x+27)



We get rid of parentheses

-0.7x-27+50=0

We add all the numbers together, and all the variables

-0.7x+23=0

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

-0.7x=-23

x=-23/-0.7

x=32+0.6/0.7

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