Answer:
4
Step-by-step explanation:4x+6=30
4x=30-6
4x=24
x=24/4
x=4
Answer: x = 6
Step-by-step explanation: 4x + 12=30
Divide by 2
= 2x + 3=15
= 2x= 15-3
= 2x=12( divide by 2)
x=6