Question

a+5 by 6 - a+1 by 9 = a+3 by 4 ​

Answer 1

Answer:

$\frac{a + 5}{6} - \frac{a + 1}{9} = \frac{a + 3}{4} \\ \frac{9(a + 5) - 6(a + 1)}{36} = \frac{a + 3}{4} \\ \frac{9a + 45 - 6a - 6}{36} = \frac{a + 3}{4} \\ \frac{3a + 39}{36} = \frac{a + 3}{4} \\ 4(3a + 39) = 36(a + 3) \\ 12a + 156 = 36a + 108 \\ 156 - 108 = 36a - 12a \\ 24a =48 \\ a = 2 \: \: answer$

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