Equations and Inequalities

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

X - 10 > 25

• X > 35

• X < 35

• X > -35

• X < -35

What property is this?

9(b + 0.5) = 9b + 4.5

• Distributive

• Communitive

• Associative

• Inverse

2x + 3(5x - 7) = 47

• x = 1

• x = 2

• x = 3

• x = 4

Which are solutions?
20 > -2(x+5)

• n < -15
• n > -15
• n < -7.5
• n > -7.5

-19 - x = -6(3x + 6)

• 7
• -6
• -1
• 0

2(x + 6) + 3 = 9 + 5x

• 16
• 2
• -8
• -10

-3(1+n) - 2n = -6(n - 2)

• 15
• 4
• -2
• 7

2x = x + 3

• 6
• 3
• 2
• x