-21/2a+5=25

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Solution for -21/2a+5=25 equation: 



-21/2a+5=25

We move all terms to the left:

-21/2a+5-(25)=0



Domain of the equation: 2a!=0

a!=0/2

a!=0

a∈R



We add all the numbers together, and all the variables

-21/2a-20=0

We multiply all the terms by the denominator


-20*2a-21=0

Wy multiply elements

-40a-21=0

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

-40a=21

a=21/-40

a=-21/40

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