(9x-20)=(7x+10)

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Solution for (9x-20)=(7x+10) equation: 



(9x-20)=(7x+10)

We move all terms to the left:

(9x-20)-((7x+10))=0

We get rid of parentheses

9x-((7x+10))-20=0



We calculate terms in parentheses: -((7x+10)), so:

(7x+10)

We get rid of parentheses

7x+10

Back to the equation:

-(7x+10)



We get rid of parentheses

9x-7x-10-20=0

We add all the numbers together, and all the variables

2x-30=0

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

2x=30

x=30/2

x=15

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