30=9x-(4x-5)

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Solution for 30=9x-(4x-5) equation:



30=9x-(4x-5)
We move all terms to the left:
30-(9x-(4x-5))=0
We calculate terms in parentheses: -(9x-(4x-5)), so:
9x-(4x-5)
We get rid of parentheses
9x-4x+5
We add all the numbers together, and all the variables
5x+5
Back to the equation:
-(5x+5)
We get rid of parentheses
-5x-5+30=0
We add all the numbers together, and all the variables
-5x+25=0
We move all terms containing x to the left, all other terms to the right
-5x=-25
x=-25/-5
x=+5

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