2(90-x)=10(180-x)

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Solution for 2(90-x)=10(180-x) equation:



2(90-x)=10(180-x)
We move all terms to the left:
2(90-x)-(10(180-x))=0
We add all the numbers together, and all the variables
2(-1x+90)-(10(-1x+180))=0
We multiply parentheses
-2x-(10(-1x+180))+180=0
We calculate terms in parentheses: -(10(-1x+180)), so:
10(-1x+180)
We multiply parentheses
-10x+1800
Back to the equation:
-(-10x+1800)
We get rid of parentheses
-2x+10x-1800+180=0
We add all the numbers together, and all the variables
8x-1620=0
We move all terms containing x to the left, all other terms to the right
8x=1620
x=1620/8
x=202+1/2

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