Answer: C
f) = 2(x+1) + 2
Step-by-step explanation:
1. 180 - 50 = 130
130 ÷ 2 = 65
2. 20 + 30 = 50
180 - 50 = 130
3. 110 + 35 = 145
180 - 145 = 35
4. 60 + 60 = 120
180 - 120 = 60
Note: All angles of a triangle add up to 180 which is why your subtracting from 180.
Answer:
t = 5
Step-by-step explanation:
Given
t + 2 = 7 ( isolate t by subtracting 2 from both sides )
t = 7 - 2 = 5
Ali is correct because you shouldn’t deliver the minus in the 5b number