Tìm x: x-45=87+88

2 câu trả lời

x `- 45 = 87 + 88`

x `- 45 = 175`

x `= 175 + 45`

x `= 220`

$\textit{x - 45 = 87 + 88}$

$\textit{x - 45 = 175}$

$\textit{x = 175 + 45}$

$\textit{x = 220}$