Which equation could be used to solve for a value, x, that is equal to 5 times the sum of x and 12? x = 5x = 12
5x = x + 12
x = 5(x + 12)
x = x + (5)(12)

Solve for x, y, and z. show all steps.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Find the value of x. give reasons to justify your solutions! l, m ∈ kn