21/5x+15=8

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Solution for 21/5x+15=8 equation: 



21/5x+15=8

We move all terms to the left:

21/5x+15-(8)=0



Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R



We add all the numbers together, and all the variables

21/5x+7=0

We multiply all the terms by the denominator


7*5x+21=0

Wy multiply elements

35x+21=0

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

35x=-21

x=-21/35

x=-3/5

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