Question

In ABC, if mA is six less than 7 times x, mB is five less than three times x, and mC is five less than four times x, find x and the measure of each angle

Answer 1

a=92 b=37 c=51

Explanation:

a= 7x-6

b=3x-5

c=4x-5

7x-6+3x-5+4x-5=180

14x-16=180

14x=196

x=14