Rewriting Literal Equations and Formulas

Front

Solve y - x = 5 for y.

Back

y = 5 + x

Front

Solve -2 = 4x + y for y.

Back

y = -2 - 4x

Front

Solve x = w / a for w.

Back

w = ax

Front

Solve -3y + 6x = 12 for y.

Back

y = 2x - 4

Front

Solve 2y + 4x = 12 for y.

Back

y = -2x + 6

Front

What is a literal equation?

Back

An equation that contains two or more variables.

Front

What does it mean to solve for a variable?

Back

To isolate the variable on one side of the equation.

Front

What is the first step in rewriting y = mx + b for x?

Back

Subtract b from both sides: y - b = mx.

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 formula for converting Celsius to Fahrenheit?

Back

F = (C × 9/5) + 32.