1/2a+12=7

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Solution for 1/2a+12=7 equation: 



1/2a+12=7

We move all terms to the left:

1/2a+12-(7)=0



Domain of the equation: 2a!=0

a!=0/2

a!=0

a∈R



We add all the numbers together, and all the variables

1/2a+5=0

We multiply all the terms by the denominator


5*2a+1=0

Wy multiply elements

10a+1=0

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

10a=-1

a=-1/10

a=-1/10

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