Question

Solve: $5y+9=24$

Answer 1

$5y+9=24$
we get, $5y+9-9=24-9$ (Subtracting $9$ from both sides of the equation)
$5y=15$
$\frac{5y}{5}=\frac{15}{3}$ [Dividing both the sides by $5$]
$y=3$
Verification:
$LHS=5\left(3\right)+9=24=RHS$
Alternative Method
$5y+9=24$
$5y=24-9$ [Transposing $9$ to RHS]
$5y=15$ and $y=\frac{15}{5}$. Hence $y=3$