9x=20-x=

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Solution for 9x=20-x= equation:



9x=20-x=
We move all terms to the left:
9x-(20-x)=0
We add all the numbers together, and all the variables
9x-(-1x+20)=0
We get rid of parentheses
9x+1x-20=0
We add all the numbers together, and all the variables
10x-20=0
We move all terms containing x to the left, all other terms to the right
10x=20
x=20/10
x=2

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