Solve for a Variable When Given the Value

Front

What does it mean to solve for a variable?

Back

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

Front

If n = 4, what is 3n?

Back

12

Front

If r = 4, what is 4r?

Back

16

Front

What is the expression 3y - 2y simplified?

Back

1y or y.

Front

If z = 7, what is 35 - 2z?

Back

21

Front

If n = 5, what is 6 x 2 - n?

Back

7

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the value of 2x if x = 3?

Back

6

Front

How do you evaluate an expression?

Back

Substitute the value of the variable into the expression and perform the operations.

Front

What is the result of 5a if a = 2?

Back

10