What algebraic expression could represent the average of 2x, x + 3, and 6x?

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28