Question

If 2m + 4 = 12. then 3m is equal to​

Answer 1

Answer:

3m =12

Step-by-step explanation:

2m =12-4

2m =8

So ,m =8÷2

m=4

3m =3×m

3m=3×4=12

Answer 2

Answer:

let 2m+4= 12 be eqn (1) and 3m = 0 be eqn (2)

Step-by-step explanation:

2m= 12-4

2m= 8

m= 8/2

m= 4

substituting m=4 in eqn 2 we get,

3(4)

12

Therefore, 3m = 12.