Section: Mathematical Reasoning
58)
If 3x - 1 = 11, what is the value of x2 + x?
Explanation
3x - 1 = 11
3x= 11 + 1 = 12
x= 12 / 3 = 4
x2 + x = 42 + 4 = 16 + 4 = 20
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