\(x+\left(13-15\right)=5+\left(10-7\right)\)
\(< =>x-2=8=>x=10\)
Ta có: \(x+\left(13-15\right)=5+10-7\)
\(\Leftrightarrow x-2=15-7=8\)
hay x=10
x + (13 - 15) = 5 + (10 - 7)
x + (13 - 15) = 5 + 3
x + (13 - 15) = 8
x + (-2) = 8
x = 8 - (-2)
x = 10
Chúc bạn học tốt!