Literal Equations

Front

Solve for r: C = 2πr

Back

r = C/(2π)

Front

Solve for a: A = pw

Back

a = w/p

Front

Solve for R: IR = V

Back

R = V/I

Front

Solve for h: A = 2Ah

Back

h = 2A

Front

Solve for w: A = LW

Back

w = A/L

Front

Definition: Literal Equation

Back

An equation that contains two or more variables.

Front

What is the first step in solving a literal equation?

Back

Isolate the variable you want to solve for.

Front

Example of a literal equation: A = 1/2bh

Back

Solve for b: b = 2A/h

Front

What does it mean to 'solve for a variable'?

Back

To manipulate the equation to express one variable in terms of others.

Front

Solve for x: 3x + 5 = 20

Back

x = (20 - 5)/3 = 5