2/3a=-7

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Solution for 2/3a=-7 equation:



2/3a=-7
We move all terms to the left:
2/3a-(-7)=0
Domain of the equation: 3a!=0
a!=0/3
a!=0
a∈R
We add all the numbers together, and all the variables
2/3a+7=0
We multiply all the terms by the denominator
7*3a+2=0
Wy multiply elements
21a+2=0
We move all terms containing a to the left, all other terms to the right
21a=-2
a=-2/21
a=-2/21

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