2/5b-21=-17-2

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Solution for 2/5b-21=-17-2 equation:



2/5b-21=-17-2
We move all terms to the left:
2/5b-21-(-17-2)=0
Domain of the equation: 5b!=0
b!=0/5
b!=0
b∈R
We add all the numbers together, and all the variables
2/5b-21-(-19)=0
We add all the numbers together, and all the variables
2/5b-2=0
We multiply all the terms by the denominator
-2*5b+2=0
Wy multiply elements
-10b+2=0
We move all terms containing b to the left, all other terms to the right
-10b=-2
b=-2/-10
b=1/5

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