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The answer would be 3+a right.
If N is the number, then 6 + N/3 = 18 Subtracting 6 from both sides: N/3 = 12 Multiplying both sides by 3: N = 36
Let the number be n. Then 3n + 2 = -4 3n = -6 n = -3
27
N + (2/3)*N = 45 Multiply by 3: 3N + 2N = 135 ie 5N = 135 Divide by 5: N = 27