Question

A.)23
B.)60
C.)53
D.)30

Answer 1

ABC = 30

Explanation:

The two angles are complementary so they add to 90 degrees

2x+14 + x+7 = 90

Combine like terms

3x+21 = 90

Subtract 21 from each side

3x+21-21 = 90-21

3x = 69

Divide by 3

3x/3 = 69/3

x = 23

ABC = x+7 = 23+7 = 30