189-x=50+5(90-x)

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Solution for 189-x=50+5(90-x) equation: 



189-x=50+5(90-x)

We move all terms to the left:

189-x-(50+5(90-x))=0

We add all the numbers together, and all the variables

-x-(50+5(-1x+90))+189=0

We add all the numbers together, and all the variables

-1x-(50+5(-1x+90))+189=0



We calculate terms in parentheses: -(50+5(-1x+90)), so:

50+5(-1x+90)

determiningTheFunctionDomain
5(-1x+90)+50

We multiply parentheses

-5x+450+50

We add all the numbers together, and all the variables

-5x+500

Back to the equation:

-(-5x+500)



We get rid of parentheses

-1x+5x-500+189=0

We add all the numbers together, and all the variables

4x-311=0

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

4x=311

x=311/4

x=77+3/4

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