(3x-10)+(90-x)=180

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Solution for (3x-10)+(90-x)=180 equation:



(3x-10)+(90-x)=180
We move all terms to the left:
(3x-10)+(90-x)-(180)=0
We add all the numbers together, and all the variables
(3x-10)+(-1x+90)-180=0
We get rid of parentheses
3x-1x-10+90-180=0
We add all the numbers together, and all the variables
2x-100=0
We move all terms containing x to the left, all other terms to the right
2x=100
x=100/2
x=50

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