Answer:
ABC = 30
Step-by-step 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
Answer:something you own that hhas value
Step-by-step explanation:
Answer:
the answer is c.
Step-by-step explanation:
add 91 ti the -87 and then divide 3 ,to make the x by itself, by the answer you get when you add. Then do the same with the other equation.
Answer:
i,m no smart sorry
Step-by-step explanation: