Question

9. Which of the following is a solution of the equation 2m + 9 = 5? a. 2 b. -2 c. 0 d. 1​

Answer 1

Answer:

b) -2

Step-by-step explanation:

2m + 9 = 5

a) putting m = 2

2 × 2 + 9

= 4 + 9

⇒ 13 ≠ 5

b) putting m = -2

2 × (-2) + 9

= -4 + 9

⇒ 5 = 5

c) putting m = 0

2 × 0 + 9

⇒ 9 ≠ 5

d) putting m = 1

2 × 1 + 9

= 2 + 9

⇒ 11 ≠5

Answer 2

Answer:

your ans is  b. -2

Step-by-step explanation:

2m+9=5

2m=5-9

2m= -4

m = -4/2

m= -2

HOPE SO IT HELPED YOU