21/2+x=15

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Solution for 21/2+x=15 equation: 



21/2+x=15

We move all terms to the left:

21/2+x-(15)=0

determiningTheFunctionDomain
x-15+21/2=0

We multiply all the terms by the denominator


x*2+21-15*2=0

We add all the numbers together, and all the variables

x*2-9=0

Wy multiply elements

2x-9=0

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

2x=9

x=9/2

x=4+1/2

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