Answer:
Step-by-step explanation:
-2m+4=-7m+29
+7m +7m
5m+4=29
-4 -4
5m=25
5/5m=25/5
m=5
Isosceles
triangle-a triangle with at least 2 congruent sides
D is the correct answer
if you want explanation you can comment down
180-52=128
Do mark BRAINLIEST
