69 + 87 - n = 103
Simplify the equation:
156 - n = 103
Subtract 156 from both sides:
-n = -53
Divide by -1:
n = 53
Ответ: n = 53.
69 + 87 - n = 103
Simplify the equation:
156 - n = 103
Subtract 156 from both sides:
-n = -53
Divide by -1:
n = 53
Ответ: n = 53.