42/5r=-2

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Solution for 42/5r=-2 equation: 



42/5r=-2

We move all terms to the left:

42/5r-(-2)=0



Domain of the equation: 5r!=0

r!=0/5

r!=0

r∈R



We add all the numbers together, and all the variables

42/5r+2=0

We multiply all the terms by the denominator


2*5r+42=0

Wy multiply elements

10r+42=0

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

10r=-42

r=-42/10

r=-4+1/5

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