Solving One Step Equations With All Four Operations

To solve an equation we must undo an operation. This means you must do its inverse to both sides of the equation ("what we do to one side we must do to the other"). Match each operation to its inverse.

• Multiplication

• Addition

• Subtraction

• Multiplication

• Addition

• Subtraction

• Division

• Division

Look on or around page 110, titled "Solving Equations Flip Book". On Step 6: Check Your Answer, the solution is y = 2. When putting 2 in the place of y and solving on both sides of the equal sign, the result is ____________. Fill in the blank with the results you get when checking your answer.

• 30 = 30

• 9y = 18

• 24 = 24

• 2 = 2

x + 12 = 20

• x = 32

• x = -32

• x = 8

• x = -8

x = 20

• x = 20

• x = 7

• x = 10

• x = 3

Solve for "n".

1 - 11n = 67

Mathematical Equivalence

ON

Solve for x.

• 55

• 60

• 15

• 35

Solve for x

• x = 2

• x = -2

• x = -10

• x = 4

• k = 152
• k = 176
• k = 5
• k = 27

how would you solve this equation: 9x=153?

• multiply

• divide

• add

• subtract

What is the first step to solve this equation:
  3x = 44

• Add 3 to both sides

• Subtract 3 from both sides

• Multiply 3 on both sides

• Divide 3 on both sides.