Lesson #3: Solving Equations

5x - 4 + 2x = 3

• 1
• 2
• 3
• 4

Tags

CCSS.8.EE.C.7B

5(2x-10)=30

• x=8

• x=3

• x=4

• x=10

Tags

CCSS.7.EE.B.4A

Solve: 3x = 15 - 2x

• x = 9

• x = 3

• x = -3

• x = 6

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.A.2

What is the value of 'x' if 3x + 2 = 2x - 8

• x = -10

• x = 10

• x = -2

• x = 2

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Solve: 2x + 27 = 3x - 9

• x = 36

• x = -12

• x = -36

• x = 3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.A.2

 $4\left(3r+4\right)=-8\left(2r+5\right)$  

•  $r=-6$  

•  $r=-2$  

• Infinitely Many Solutions

• No Solution

Tags

CCSS.8.EE.C.7A

Solve:
2(2x + 3) = -6(x + 9)

• 1.2
• 6
• -6
• 7.5

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.A.2

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

10(h+1)-4=76

• h=10
• h=4
• h=7
• h=76

Tags

CCSS.7.EE.B.4A