5(90-x)=75+2(180-x)

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Solution for 5(90-x)=75+2(180-x) equation: 



5(90-x)=75+2(180-x)

We move all terms to the left:

5(90-x)-(75+2(180-x))=0

We add all the numbers together, and all the variables

5(-1x+90)-(75+2(-1x+180))=0

We multiply parentheses

-5x-(75+2(-1x+180))+450=0



We calculate terms in parentheses: -(75+2(-1x+180)), so:

75+2(-1x+180)

determiningTheFunctionDomain
2(-1x+180)+75

We multiply parentheses

-2x+360+75

We add all the numbers together, and all the variables

-2x+435

Back to the equation:

-(-2x+435)



We get rid of parentheses

-5x+2x-435+450=0

We add all the numbers together, and all the variables

-3x+15=0

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

-3x=-15

x=-15/-3

x=+5

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