Respuesta :

Answer:

a

Explanation:

DWRead
Cross-multiply the denominators so the a terms are not in denominators.
3a(-4) = -2(a+5)
-12a = -2a-10

Isolate the a terms: add 12a + 10 to both side.
10 = 10a

Divide both sides by the coefficient of a
10/10 = a
a = 1
3a = 3
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