2*3+x=90

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Solution for 2*3+x=90 equation: 



2*3+x=90

We move all terms to the left:

2*3+x-(90)=0

determiningTheFunctionDomain
x-90+2*3=0

We add all the numbers together, and all the variables

x-84=0

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

x=84

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