30
Substituting x as 10:
3(10) + 6 - 10 + 4
30 + 6 - 10 + 4
Answer:
30 is the answer
Step-by-step explanation:
3x + 6-x + 4
3(10) + 6 -10 + 4
30 + -4 + 4
30 + 0
=30
