(20a-30)=(17a-48)

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Solution for (20a-30)=(17a-48) equation: 



(20a-30)=(17a-48)

We move all terms to the left:

(20a-30)-((17a-48))=0

We get rid of parentheses

20a-((17a-48))-30=0



We calculate terms in parentheses: -((17a-48)), so:

(17a-48)

We get rid of parentheses

17a-48

Back to the equation:

-(17a-48)



We get rid of parentheses

20a-17a+48-30=0

We add all the numbers together, and all the variables

3a+18=0

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

3a=-18

a=-18/3

a=-6

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