Answer:
Two equations: (x + 2 + x + 2 + x + 2) & (3x + 6 = 18) ; x = 4
Explanation:
x + 2 + x + 2 + x + 2 = 18
3x + 6 = 18
3x = 12
x = 4
2 + 2 + 2 = 6
18 - 6 = 12
12 ÷ 3 = 4
4 = x
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