7+5=(x-3)=22

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Solution for 7+5=(x-3)=22 equation: 



7+5=(x-3)=22

We move all terms to the left:

7+5-((x-3))=0

We add all the numbers together, and all the variables

-((x-3))+12=0



We calculate terms in parentheses: -((x-3)), so:

(x-3)

We get rid of parentheses

x-3

Back to the equation:

-(x-3)



We get rid of parentheses

-x+3+12=0

We add all the numbers together, and all the variables

-1x+15=0

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

-x=-15

x=-15/-1

x=+15

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