x/3-20=100-x

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Solution for x/3-20=100-x equation:



x/3-20=100-x
We move all terms to the left:
x/3-20-(100-x)=0
We add all the numbers together, and all the variables
x/3-(-1x+100)-20=0
We get rid of parentheses
x/3+1x-100-20=0
We multiply all the terms by the denominator
x+1x*3-100*3-20*3=0
We add all the numbers together, and all the variables
x+1x*3-360=0
Wy multiply elements
x+3x-360=0
We add all the numbers together, and all the variables
4x-360=0
We move all terms containing x to the left, all other terms to the right
4x=360
x=360/4
x=90

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