2/7a-4=-10

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Solution for 2/7a-4=-10 equation: 



2/7a-4=-10

We move all terms to the left:

2/7a-4-(-10)=0



Domain of the equation: 7a!=0

a!=0/7

a!=0

a∈R



We add all the numbers together, and all the variables

2/7a+6=0

We multiply all the terms by the denominator


6*7a+2=0

Wy multiply elements

42a+2=0

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

42a=-2

a=-2/42

a=-1/21

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