Question:
Tick (✓) the correct answer
If $\frac{4 x+8}{5 x+8}=\frac{5}{6}$, then $x=?$
(a) 4
(b) 6
(C) 8
(d) 12
Solution:
(C) 8
$\frac{4 x+8}{5 x+8}=\frac{5}{6}$
$\Rightarrow 6(4 x+8)=5(5 x+8)$
$\Rightarrow 24 x+48=25 x+40$
$\Rightarrow 24 x-25 x=-48+40$
$\Rightarrow-x=-8$
$\Rightarrow x=8$
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