Literal Equations

Front

Solve for y: y - 3 = 2(x + 4)

Back

y = 2x + 11

Front

5x - y = 16

Back

y = 5x - 16

Front

4x + 3y = 9

Back

y = -4/3x + 3

Front

8x + 4y = 16

Back

y = -2x + 4

Front

Solve: C = 2πr, for r

Back

C/(2π) = r

Front

What is a literal equation?

Back

An equation that contains two or more variables.

Front

How do you isolate a variable in an equation?

Back

Use inverse operations to move other terms to the opposite side.

Front

What is the first step in solving the equation 3y + 5 = 20?

Back

Subtract 5 from both sides to isolate the term with y.

Front

What does it mean to rearrange an equation?

Back

To change the equation so that a different variable is isolated.

Front

If 2x + 3 = 11, what is x?

Back

x = 4