Answer:
One solution x=4
Step-by-step explanation:
5x+20=4(x+6)
Distribute
5x+20 =4x+24
Subtract 4x from each side
5x -4x +20 = 4x-4x+24
x+20 = 24
Subtract 20 from each side
x+20-20 =24-20
x =4