Answer:
q = -5
Step-by-step explanation:
(q+1)/2=(q−1)/3
3(q+1) = 2(q−1)
3*q + 3*1 = 2*q + 2*-1
3q + 3 = 2q - 2
3q -2q = -2 - 3
Check:
(-5+1)/2 = (-5-1)/3
-4/2 = -6/3 = -2
