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2/5+x=13
We move all terms to the left:
2/5+x-(13)=0
determiningTheFunctionDomain x-13+2/5=0
We multiply all the terms by the denominator
x*5+2-13*5=0
We add all the numbers together, and all the variables
x*5-63=0
Wy multiply elements
5x-63=0
We move all terms containing x to the left, all other terms to the right
5x=63
x=63/5
x=12+3/5
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