Respuesta :
Answer: X = 8
9 + X = 17; Subtract 9 from both sides
X = 8
Check: Place 8 in for X
9 + (8) = 17
17 = 17; True, so answer is right
9 + X = 17; Subtract 9 from both sides
X = 8
Check: Place 8 in for X
9 + (8) = 17
17 = 17; True, so answer is right