Equations

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

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.7.EE.B.4A

6z + 3 -4z = 9

• z = 3
• z = 60
• z = 30
• z = 1

Tags

CCSS.8.EE.C.7B

11b+7=40

• 2
• 1
• 4
• 3

Tags

CCSS.7.EE.B.4A

Inverse of
multiplication

• division
• subtraction
• multiplication
• equals

Tags

CCSS.HSA.REI.A.1

4 = 2(x + 3)

• 1/2
• 7/2
• -1
• 5

Tags

CCSS.7.EE.B.4A

c/2 =  -14

• c = -7
• c = -7
• c = -28
• c =  28

Tags

CCSS.6.EE.B.7

3(1-3x)=2(-4x+7)

• 11
• -11
• -20
• 20

38+7k=8(k+4)

• 6
• 8
• -6
• 1

-10+x+4-5=7x-5

• 1
• 31
• -31
• -1

Tags

CCSS.8.EE.C.7B