Solve the following equations and check your results.
Q.1 3x = 2x + 18
We have
3x = 2x + 18
Subtracting 2x from both sides
3x - 2x = 2x - 2x + 18
or x = 18
Check:- Put x = 18 in both LHS and the RHS.
LHS = 3x = 3(18) = 54
RHS = 2x + 18 = 2(18) + 18 = 36 + 18 = 54
Thus, LHS = RHS