Answer:
(3×6) + (3×x) = 18 ← 1st Step
Explanation:
3(6+x) = 18
Expanding brackets by distributive property
=> (3×6) + (3×x) = 18 ← 1st Step
Multiplying
=> 18 + 3x = 18 ← 2nd Step
Subtracting 18 to both sides
=> 3x = 24-18 ← 3rd Step
=> 3x = 6 ← 4th Step
Dividing both sides by 3
=> x = 2 ← 5th Step