Answer:
x =7
Step-by-step explanation:
2(x-3)+4=12 Remove the brackets on the left
2x - 6 + 4 = 12 Combine
2x - 2 = 12 Add 2 to both sides
2x - 2 + 2 = 12 + 2 Combine
2x = 14 Divide by 2
2x/2 = 14/2
x = 7
4 hours
42x?=168
?=4
Answer: 59500
Step-by-step explanation:17000 times 3.5
