Question

Angle 3 and 4 are a linear pair. The m of angle 3=7x-14 and the m of 4=2x+5.
what is the measure of each angle?
thank you for the help.

Answer 1

so they add up to 180 degrees (or 2 pi radians)
7 x - 14 + 2x + 5 = 180
9 x = 189
x = 21

Answer 2

thank you so much!!!