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How do you solve $4 (2 a - 8) = \frac{1}{7} (49 a + 70)$ $4(2a-8)=1/7(49a+70)$ ?

1 Answer

Jun 16, 2016

$a = 42$ $a=42$

Explanation:

L.S. $= 4 (2 a - 8) = 8 a - 32$ $=4(2a-8) = 8a-32$
R.S. $= \frac{1}{7} (49 a + 70) = 7 a + 10$ $=1/7(49a+70) = 7a+10$

L.S. $=$ $=$ R.S.
$\to 8 a - 32 = 7 a + 10$ $rarr8a-32=7a+10$

$\to XX a = 42$ $rarrcolor(white)("XX")a=42$

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