Solving one step equations

How can you isolate the variable in x - 3 = 7?

• add 3 to the left side

• subtract 3 from the left side

• add 7 to the left side

• subtract 7 from the left side

When you isolate the variable, what must you do to keep the equation balanced?

x - 3 = 7

• Add 3 to 7

• Subtract 3 from 7

• Add 7 to x

• Subtract 7 from x

Fill in the blank (the same thing goes in both blanks)

x−3=7

Step 1: x - 3 ___ = 7 ___

• + 3

• - 3

• + 7

• - 7

Fill in the blank (the same thing goes in both blanks)

x−3=7

Step 1: x - 3 +3 = 7 +3

Step 2: x = _____

• 10

• 4

• 14

• 0

What is the inverse operation of addition?

• addition

• subtraction

• multiplication

• division

What is the inverse operation of subtraction?

• addition

• subtraction

• multiplication

• division

What is the inverse operation of multiplication?

• addition

• subtraction

• multiplication

• division

What is the inverse operation of division?

• addition

• subtraction

• division

• multiplication

The _________ must be alone or isolated on one side of the equation.

• constant

• coefficient

• exponent

• variable

Isolate the variable by using __________ or opposite operations.

• intricate

• inverse

• similar

• the same