Answer:
a) 7x + 12 = 180
b) ∠A = 53 ∠B = 79 ∠C = 48
Step-by-step explanation:
Eliminate 12 to both sides to isolate the variable.
7x = 168
Divided by 7 TBS
x = 24
2x = 2(24) = 48
3x + 7 = 3(24) + 7 = 79
2x + 5 = 2(24) + 5 = 53
Hope this helps :D
