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(90)-(4x+1)+(3x)=(x)
We move all terms to the left:
(90)-(4x+1)+(3x)-((x))=0
determiningTheFunctionDomain -(4x+1)+3x-x+90=0
We add all the numbers together, and all the variables
2x-(4x+1)+90=0
We get rid of parentheses
2x-4x-1+90=0
We add all the numbers together, and all the variables
-2x+89=0
We move all terms containing x to the left, all other terms to the right
-2x=-89
x=-89/-2
x=44+1/2
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