x = 4
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If 3x - 1 = 11 what is the value of x 2 + x?
- If 3X - 1 = 11, what is the value of X^2 + X?
3x-1 = 11 3x = 11+1 3x = 12 x = 4 Therefore: x2+2 = 18
3x-1 = 11 3x = 11+1 = 12 x = 12/3 = 4 Therefore: x2 + 2 = 16 + 2 = 18
3x-1=11 solves to x=4. Plug in 4 to get 42+4. The answer is 20.