Equations and Inequalities

The objective when solving an equation is to....

• isolate the variable. (get the variable by itself)

• check the solution.

• guess and check.

• combine like terms.

11b+7=40

• 2
• 1
• 4
• 3

Tags

CCSS.6.NS.B.4

Solve for k:
3k + 5 = 23

• k = 4
• k = 5
• k = 6
• k = 7

Tags

CCSS.7.EE.B.4A

5=7s-9

• 2
• 6
• 7
• 8

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

m - 25.4 = 105

• 130.4
• 79.6
• 131
• 80

Which equation has x=9 as a solution

• 4 + x = 12
• 5x = 45
• 2x = 20
• x + 7 = 26

Is 5 a solution for 3x + 4 = 19

• yes
• no

Which equation has x =2 as a solution?

• 3 + x = 10
• 11 + x = 13
• 4x = 32
• 5x =25

What is the solution of 9 + k = 18

• 18

• 9

• 8

• 7

What is the solution of r - 11 = 5

• 11

• 14

• 15

• 16