Combine the like terms to create an equivalent expression:
-3.2 - 6+ (-1)

Which expression is equivalent to the expression shown?

How is working backward similar to solving an equation?

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)