Question

slolve in trial and error method -
x+9=15
​

Answer 1

Step-by-step explanation:

x+9=15

1x - 9 = 15

1x = 15 + 9

1x = 24 (divide both sides by 1 to get x)

1x/1 = 24/1

x = 24

Answer 2

Answer:

x+9=15

x=9-15 - =+

x=6

x-1=5

x-1+5

x=6