Question

Solve for y:
$\frac{7y+4}{y+2}=\frac{-4}{3}$ [2 marks]

Answer 1

$\frac{7y+4}{y+2}=\frac{-4}{3}$
$\Rightarrow 3(7y+4)=-4(y+2)$
$\Rightarrow 21y+12=-4y-8$ [1 Mark]
$\Rightarrow 21y+4y=-8-12$
$\Rightarrow 25y=-20$
$\Rightarrow y=\frac{-20}{25}$
$\Rightarrow y=\frac{-4}{5}$ [1 Mark]