3 x (-2) can be read as A. 3 groups of -2
B. 2 groups of -3
C. The opposite of 2 groups of -1

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*