Answer:
16
Step-by-step explanation:
3x - 4 = (10x - 72)
⇔ 6x - 8 = 10x - 72
⇔ 4x = 64
⇔ x = 16
1.49x+1.25x=100
The solution is x = -3
Step-by-step explanation: Please brainliest!
12) Im not sure about this one
13) c
14)a