9x-40=-60+30x

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Solution for 9x-40=-60+30x equation: 



9x-40=-60+30x

We move all terms to the left:

9x-40-(-60+30x)=0

We add all the numbers together, and all the variables

9x-(30x-60)-40=0

We get rid of parentheses

9x-30x+60-40=0

We add all the numbers together, and all the variables

-21x+20=0

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

-21x=-20

x=-20/-21

x=20/21

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