Substitution

y = 3x
2x + y = 20

• (4, 8)
• (3, 9)
• (2, 6)
• (4, 12)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

y = 2x + 1
3x + y = 16

• x = 3
• (2, 7)
• (3, 5)
• (3, 7)

Tags

CCSS.HSA.REI.C.6

y = 5x + 1
y = 3x + 13

• (6, 31)
• (31, 6)
• (4, 21)
• (2, 11)

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

x = 4y - 10
x - 2y = -4

• (4, 6)
• (2, 3)
• (3, 2)
• (6, 2)

y = 3x - 1
2x + 2y = 22

• (2, 5)
• (3, 8)
• (4, 11)
• (5, 14)