(9/7+k)7=-3

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Solution for (9/7+k)7=-3 equation:



(9/7+k)7=-3
We move all terms to the left:
(9/7+k)7-(-3)=0
Domain of the equation: 7+k)7!=0
We move all terms containing k to the left, all other terms to the right
k)7!=-7
k!=-7/1
k!=-7
k∈R
We add all the numbers together, and all the variables
(+k+9/7)7-(-3)=0
We add all the numbers together, and all the variables
(+k+9/7)7+3=0
We multiply parentheses
7k+3+9/7*7=0
We multiply all the terms by the denominator
7k*7*7+9+3*7*7=0
We add all the numbers together, and all the variables
7k*7*7+156=0
Wy multiply elements
343k*7+156=0
Wy multiply elements
2401k+156=0
We move all terms containing k to the left, all other terms to the right
2401k=-156
k=-156/2401
k=-156/2401

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