Multistep Equations with Rational Numbers

What is the common denominator in this problem?

• 3

• 6

• 4

• 2

After you multply by the common denominator, what would the simplified problem be?

• 7x - 20 = 20x + 10

• 7x + 20 = 4x + 10

• 7x - 2 = 4x + 1

• 7x - 20 = 4x + 10

What is the solution to the equation?

• 3 = n

• 1/3 = n

• n = 1

• n = -1

What is the solution to the equation?

• 1 = r

• 1/2 = r

• -1 = r

• -1/2 = r

Solve for b 

• 8

• 17/12

• 4/3

• 1/8

Tags

CCSS.HSA.REI.A.2

Solve the equation. Check your solution. It's - 7/8

• 24

• ¹⁴⁷/₈ or 18 ³/₈

• 168

• -24

Tags

CCSS.6.EE.B.7

Why do you multiply by 7?

• To undo division, you must multiply.

• To balance the equation, you must divide by 7 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 7 on both sides.

Tags

CCSS.HSA.REI.A.1

• 
• 
• 

Tags

CCSS.6.EE.B.7

Solve for k

• 165

• 17

• 1/17

• 1/165

Tags

CCSS.8.EE.C.7B

Solve.

Tags

CCSS.6.EE.B.7