90=74+(2x+12)

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Solution for 90=74+(2x+12) equation:



90=74+(2x+12)
We move all terms to the left:
90-(74+(2x+12))=0
We calculate terms in parentheses: -(74+(2x+12)), so:
74+(2x+12)
determiningTheFunctionDomain (2x+12)+74
We get rid of parentheses
2x+12+74
We add all the numbers together, and all the variables
2x+86
Back to the equation:
-(2x+86)
We get rid of parentheses
-2x-86+90=0
We add all the numbers together, and all the variables
-2x+4=0
We move all terms containing x to the left, all other terms to the right
-2x=-4
x=-4/-2
x=+2

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