2/5x-15=21

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Solution for 2/5x-15=21 equation:



2/5x-15=21
We move all terms to the left:
2/5x-15-(21)=0
Domain of the equation: 5x!=0
x!=0/5
x!=0
x∈R
We add all the numbers together, and all the variables
2/5x-36=0
We multiply all the terms by the denominator
-36*5x+2=0
Wy multiply elements
-180x+2=0
We move all terms containing x to the left, all other terms to the right
-180x=-2
x=-2/-180
x=1/90

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