Solving Equations

What is the definition of a "solution" to an equation?

• The value(s) for the variable(s) that make the equation true

• The result after distributing and combining like terms

• The value on the other side of the equals sign.

• Whatever you want it to be

Tags

CCSS.8.EE.C.7B

17 = x + 3

• x = 20
• x = 14
• x = 13
• x = 19

Tags

CCSS.6.EE.B.7

4 + b = 30

• -34
• 34
• -26
• 26

Tags

CCSS.6.EE.B.7

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

y - 4.6 = 12

• 16.6
• 5.8
• 7.4
• Answer not Given

Tags

CCSS.6.EE.B.7

10x = 90

• x = 80
• x = 100
• x = 10
• x = 9

Tags

CCSS.6.EE.B.7

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7

The area of a rectangular deck is 125 square feet. The width of the deck is 25 feet. Write an equation and solve to find the length.

• 25x=125,
  x = 5 feet
• x+22=125,
  x = 20 feet
• x-25=125
  x=150 feet
• 25x=125
  x=3,125 feet

Tags

CCSS.6.EE.B.7

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

Tags

CCSS.6.EE.B.5

Choose the correct equation for the situation.
Jane is 3 years older than Sam. If Jane 12, how old is Sam?

• j - 3 = 12
• s - 3 = 12
• s + 3 = 12
• j + 12 = 3

Tags

CCSS.HSA.CED.A.3