Respuesta :
Answer:
The added both 8x+2x when they were suppose to subtract 8x-2x
Step-by-step explanation:
8x+22= 2x+42
6x= 42-22
6x= 20
x= 3.3 repeating
Answer:
step 2
Step-by-step explanation:
8x + 22 = 2x +42
8x - 2x +22 =42
6x + 22 = 42
6x = 42 -22
6x = 20
x = 20÷ 6
x = 10/3