Vì \(a\) // \(b\left(gt\right)\)
=> \(\widehat{M_1}=\widehat{H_1}\) (vì 2 góc so le trong)
=> \(3x+25^0=2x+74^0\)
=> \(3x-2x=74^0-25^0\)
=> \(1x=49^0\)
=> \(x=49^0:1\)
=> \(x=49^0\)
Vậy \(x=49^0.\)
Chúc bạn học tốt!
Có : a//b (gt )
\(\Rightarrow\widehat{M_1}=\widehat{H_1}\)
\(\Rightarrow3x+25=2x+75\)
\(\Rightarrow3x+25-2x-75=0\)
\(\Rightarrow x-50=0\)
\(\Rightarrow x=50^0\)
Vậy x=500