7+9/a=10

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Solution for 7+9/a=10 equation:



7+9/a=10
We move all terms to the left:
7+9/a-(10)=0
Domain of the equation: a!=0
a∈R
We add all the numbers together, and all the variables
9/a-3=0
We multiply all the terms by the denominator
-3*a+9=0
We add all the numbers together, and all the variables
-3a+9=0
We move all terms containing a to the left, all other terms to the right
-3a=-9
a=-9/-3
a=+3

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