Pre-algebra

Front

Solve for n: 7 + n = 11

Back

n = 4

Front

Solve for n: n + 12 = 20

Back

n = 8

Front

Solve for k: k + 6 = 9 + 5

Back

k = 8

Front

Solve for v: 17 - v = 9

Back

v = 8

Front

To balance an equation,

Back

both sides must be equal.

Front

What is a variable in algebra?

Back

A symbol (like n or k) that represents an unknown value.

Front

What does it mean to solve an equation?

Back

Finding the value of the variable that makes the equation true.

Front

What is the first step in solving the equation n + 5 = 12?

Back

Subtract 5 from both sides.

Front

What is the solution to the equation 3x = 12?

Back

x = 4

Front

What is the purpose of an equation?

Back

To show that two expressions are equal.