Answer:
x=14
Step-by-step explanation:
2x-8=20
2x-8+8= 20 + 8
2x=28
x=28/2
15x - 40 = 8
3/4x-2=2/5
Multiply each side by 4*5 or 20
20 (3/4x-2=2/5)
8(+4)
D