Answer:
x = -5
Step-by-step explanation:
Given 3X2 -2x -20 = -4
6 - 2x - 20 = -4
Collect like terms .
-4 crossses the sign of equality and becomes +4 same also for -2x which changes to +2x
That’s 6 + 4 -20 = 2x
10 - 20 = 2x
-10 = 2x
Divide both sides by 2
-10/2 = 2x /2
-5 = x
x = -5