3x+9=2.5x+14. =>
0.5x=5 => x=10.
Answer:
10
Step-by-step explanation:
3x + 9 = 2.5x + 14
3x -2.5 = 14 - 9
0.5x = 5
x = 2 X 0.5x
so x = 2 X 5 = 10
