3x + 4 = 5x - 8
collect like term
5x - 3x = 4 + 8
2x = 12
Divide both-side of the equation by 2
x = 6
substitute x=6 in the above
=[ 18 + 4 ] + [ 30 - 8]
= 22 + 22
= 44
m< ABC = 44°
m
m< ABC = 44°
We will find m
44° + 28° + m
m
= 108°
m = 1/2 of m
= 108°/2 =54°Therefore;m< ABC = 44°m =54°
