How to convert y=x-7 into ax+by=c

Four expressions are shown below: 4 (8x + 2) 4 (7x + 3) 32x + 8 28x + 12 Which two expressions are equivalent to 4 (7x + 2 + x) ?

Select all that apply Green pencils are priced at $1.28 for 4. Blue pencils are priced at $5.52 for 24. Which of the following statements are true? The unit rate for green pencils is $0.32 The unit rate for blue pencils is $0.

An environmentalist would like to compare air pollution levels in cities A and B. From each city 10 measurements are taken.

Simplify the expression m^3n^-6p^0

Simon has baked 90 pies. 30 are cheese and onion, 30 are meat and potato and the rest are steak and Stilton. They are all mixed up on a tray. If he picks one at random what is the probability it will be a steak and stilton pie?

These five rational numbers are plotted on a horizontal number line. - 2/3, 7/8, - 4/5, 7/10, - 4/3. which statement is true. -4/3 is farthest to left, and 7/8 issues farthest to the right.

Solve - 9 (t - 2) = 4 (t - 15). The solution is t=

Follow these steps using the algebra tiles to solve the equation - 5x + (-2) = - 2x + 4. 1. Add 5 positive x-tiles to both sides and create zero pairs. 2. Add 4 negative unit tiles to both sides and create zero pairs. 3.

Which expression has an equivalent value to x2 + 9x + 8 for all values of x? a. (x + 1) (x + 8) b. (x + 2) (x + 6) c / (x + 4) (x + 4) d. (x + 5) (x + 4)

3 4 (1 6 x+16) = 3 7 (4 3 8 x-21)