Asked by Anonymous

Solve the equation for A.
12AB + 7B = 5A

Please help, I am completely stuck.
Answered by Henry
12AB + 7B = 5A.
12AB - 5A = -7B.
A(12B - 5) = -7B.
Divide by (12B-5):
A = -(7B/(12B-5)).

























Answered by Anonymous
I thought you couldn't just switch 5A and 7B like that?
Answered by Vin Mwale
12AB + 7B = 5A. 7B = 5A - 12AB, 7B =A(5 - 12B). Divide both sides by (5 - 12B) 7B/(5 - 12B) = A
Answered by Anonymous
Can you cancel out the B in your final answer?
Answered by Anonymous
Like make your final answer 7/5-12? which would equal to -1?
Answered by Henry
Since there are 2 variables and only 1 Eq, I have to solve for 1 variable in terms of the other.

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