SOLUTION: lcf subtraction 7a / 2a+6 - a-1/a+3 needing help figuring

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Question 1057137: lcf subtraction 7a / 2a+6 - a-1/a+3 needing help figuring
Answer by solve_for_x(190) About Me  (Show Source):
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Multiplying the second term by (2/2) will give you 2a + 6 in that denominator.

Then you can combine the numerators.