Question

solve the following equations and check the results:
5 - 3m = 20
​

Answer 1

Answer:

5 - 3m = 20

=> - 3m = 20 - 5

=> - 3m = 15

=> m = - 15/3

=> m = - 5

check

5 - 3m = 20

=> 5 - 3(-5) = 20

=> 5 + 15 = 20

=> 20 = 20

therefore, L. H. S = R.H.S

proved