HELP ASAP! PLS Translate the sentence into an equation.
Twice the difference of a number and 7 is equal to 3 .

Use the variable y for the unknown number.

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

What is the value of the discrimination for the quadratic equation 0=×2+2+×2