Mathematics Question on Solving Equations having the Variable on both Sides

Question

Solve the following equation and check your result: $3x = 2x + 18$

Accepted Answer

$3x = 2x + 18$
On transposing $2x$ to L.H.S, we obtain
$3x - 2x = 18$
$x = 18$
$\Rightarrow$ L.H.S = $3x$
= $3 \times 18$
= $54$
$\Rightarrow$ R.H.S = $2x + 18$
= $2 \times 18 + 18$
= $36 + 18$
= $54$
L.H.S. = R.H.S.

Hence, the result obtained above is correct.