Question

$\frac{q + 1}{3}=\frac{q - 3}{2}$

Explanation:

Step1: Cross - multiply

$2(q + 1)=3(q - 3)$

Step2: Expand both sides

$2q+2 = 3q-9$

Step3: Move terms with $q$ to one side

$2q-3q=-9 - 2$

Step4: Simplify

$-q=-11$

Step5: Solve for $q$

$q = 11$

Answer:

$11$