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-3/7x=-15
We move all terms to the left:
-3/7x-(-15)=0
Domain of the equation: 7x!=0We add all the numbers together, and all the variables
x!=0/7
x!=0
x∈R
-3/7x+15=0
We multiply all the terms by the denominator
15*7x-3=0
Wy multiply elements
105x-3=0
We move all terms containing x to the left, all other terms to the right
105x=3
x=3/105
x=1/35
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