Respuesta :

Warm-Up: The checked expressions are correct.

Practice: 1.1: (15x = 75), so (x = 5) 1.2: (3x + 7 = -5), so (x = -4) 1.3: (-100x = -200), so (x = 2)

Match each story to an equation:

A matches with B

B matches with C

C matches with A