Solving for the Variable Flashcard

Front

Solve for y: 8y = 48

Back

y = 6

Front

Solve for r: r/3 = 7

Back

r = 21

Front

Solve for a: 9a = -630

Back

a = -70

Front

Solve for c: 24 = 4c

Back

c = 6

Front

Solve for a: 4a = 40

Back

a = 10

Front

What is a variable in an equation?

Back

A symbol used to represent an unknown value.

Front

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

Back

To find the value of the variable that makes the equation true.

Front

What is the first step in solving the equation 8y = 48?

Back

Divide both sides by 8.

Front

If 4x = 20, what is x?

Back

x = 5

Front

What operation would you use to isolate the variable in the equation r/3 = 7?

Back

Multiply both sides by 3.