Solve One-Step Equations Using All Four Operations

One Step Equations

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Solving Equations

• Use inverse operation to isolate the variable

• Keep the equation balanced by performing the operation to both sides of the equal sign.

Multiple Choice

What is the inverse operation of addition?

• addition

• subtraction

• multiplication

• division

Solve y +14=20

• The inverse operation of addition is subtraction.

• Subtract 14 from both sides of the equal sign

• 20-14=6

• y=6

Multiple Choice

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

Multiple Choice

$$21\ =\ 14\ +\ x$$  

• x = 7

• x = 35

• x = 294

• x = 1.5

Multiple Choice

Find the value of the variable: m + 4 = 12

• 16

• 8

• 48

• 3

Multiple Choice

What is the inverse operation of subtraction?

• addition

• subtraction

• multiplication

• division

Solve x -120 = 80

• The inverse operation of subtraction is addition

• Add 120 to both sides of the equal sign.

• 80 +120= 200

• x=200

Multiple Choice

x - 32 = 49

• x = 17
• x = 71
• x = 81
• x = 49

Multiple Choice

c - 5 = 8

• 3

• 13

• 5

• 8

Multiple Choice

What is the inverse operation of Multiplication?

• addition

• subtraction

• multiplication

• division

Solve 3n=12

• The inverse operation of multiplication is division

• Divide both sides by 3

• 12/3=4

• n=4

Multiple Choice

Find the value of a: 12 = 4a

• 48

• 3

• 8

Multiple Choice

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9

Multiple Choice

What is the inverse operation of Division?

• addition

• subtraction

• multiplication

• division

• The inverse operation of division  is multiplication 

• Multiply both sides by 2

• 16(2)=32

• k=32

Multiple Choice

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Multiple Choice

Find the value of m: $$\frac{m}{5}\ =\ 10$$  

• 2

• 5

• 50

Multiple Choice

Find the value of a: $$12\ =\ \frac{a}{4}$$  

• 48

• 3

• 8

Match

Match the following

• x=2

• x=5

• x=12

• x=4

• x=9

3x=6

x+5=10

x/3=4

x-1=3

2x=18

• 3x=6

• x+5=10

• x/3=4

• x-1=3

• 2x=18