30(x/20)=140-x

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Solution for 30(x/20)=140-x equation: 



30(x/20)=140-x

We move all terms to the left:

30(x/20)-(140-x)=0

We add all the numbers together, and all the variables

30(+x/20)-(-1x+140)=0

We multiply parentheses

30x-(-1x+140)=0

We get rid of parentheses

30x+1x-140=0

We add all the numbers together, and all the variables

31x-140=0

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

31x=140

x=140/31

x=4+16/31

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