The graph of a system of equations will intersect at exactly 1 point. always sometimes never

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Combine like terms to make a simpler expression 3z+z