Question

3. If (2x+5)° and (3x +10)° are supplementary find x

Answer 1

Answer:

33

Step-by-step explanation:

add them and equalize to 180 and transpose and solve

Answer 2

Step-by-step explanation:

(2x + 5)° + (3x + 10)° = 180

10 + 5) + (3x +2x)

15+ 5x

x= 3

180÷3= 60