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Answer :
Given, 3x = 2x + 18
\(\Rightarrow\) 3x – 2x = 18 (Transposing 2x to LHS)
\(\Rightarrow\)x = 18
Hence, x = 18 is the required solution.
Checking:
3x = 2x + 18
Substitute x = 18 in the given equation, we have
LHS = 3 × 18 = 54
RHS = 2 × 18 + 18 = 36 + 18 = 54
LHS = RHS
Hence x=18 is the required solution.