Answer:
5
Step-by-step explanation:
Substitute:
(3(3)+8)-(2(3)+7)
Simplify:
(9+8)-(6+7)
17-13
4
Substitute x = 3 into the expression and evaluate
(3(3) + 8) - (2(3) + 7)
= (9 + 8) - (6 + 7)
= 17 - 13
= 4
