Writing and Solving Equations

Front

What is the first step to isolate the variable in the equation: x - 62 = 123?

Back

Add 62 to each side.

Front

Solve the equation: 20.5 = x + 4

Back

x = 16.5

Front

Solve: 76 = x + 39

Back

x = 37

Front

How do you solve this equation? 3x = 44

Back

Divide 3 on both sides.

Front

The cost to download one song, s, from a website is $0.99. Which equation can be used to find t, the total cost for downloading s songs?

Back

t = 0.99s

Front

What does it mean to isolate a variable in an equation?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the solution to the equation: x + 15 = 30?

Back

x = 15

Front

If 5x = 25, what is the value of x?

Back

x = 5

Front

What operation would you use to solve the equation: 4x = 20?

Back

Divide both sides by 4.

Front

What is the equation for finding the total cost t for downloading s songs at $0.99 each?

Back

t = 0.99s