Question

Find that :
$15(y-4)-2(y-9)+5(y+6)=0$

Answer 1

$15(y-4)-2(y-9)+5(y+6)=0$

$\Rightarrow 15y-60-2y+18+5y+30=0$

$\Rightarrow 18y-12=0$

$\Rightarrow 18y=12$

$\Rightarrow y=\frac{12}{18}=\frac{2}{3}$.