Respuesta :

maishasoha7

Answer:

99 + x = 4x

99 = 3x

x =33

.....

MisterZeng
99 degrees + x = 4x
Because 99 degrees angle + angle x is vertical to 4x angle. That makes them congruent.
99+x=4x
Subtract x from both sides:
99=3x
Divide 3 to both sides
x=11