Question

Solve each of the following equations and verify the answer in each case:
x − 7 = 6

Answer 1

x − 7 = 6
Adding 7 on both the sides:
⇒ x − 7 + 7 = 6 + 7
⇒ x = 13

Verification:
Substituting x = 13 in the L.H.S.:
⇒ 13 − 7 = 6 = R.H.S.
L.H.S. = R.H.S.
Hence, verified.