Solving Equations

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.EE.B.4A

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

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

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.HSA.REI.A.1

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.4.NBT.B.6

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

SIMPLIFY: 5(a + 6)

• 5a + 6

• a + 30

• 5a + 30

• 5a - 30

SIMPLIFY: 2(c - 8)

• 2c - 16

• 2c + 16

• 2c - 8

• c - 16

What does it mean to distribute?

• To multiply the numbers inside the parentheses by the number on the outside.
• To add all of the numbers together.
• To do the order of operations.

Tags

CCSS.6.EE.A.3

CCSS.6.NS.B.4

SIMPLIFY: 5x + 3x - 9

• 7x - 9

• 17x

• 8x - 9

• -x