Solving one step Addition and subtraction equations

Front

8 + n = ?

Back

-12

Front

x - 12 = ?

Back

14

Front

9 + x = ?

Back

9

Front

What is an equation?

Back

A problem showing two expressions are equal.

Front

Janna is 3 years older than Zak. If Janna is 12, how old is Zak?

Back

z + 3 = 12

Front

What is the solution to the equation 5 + x = 10?

Back

5

Front

What is the solution to the equation n - 4 = 6?

Back

10

Front

What does it mean to isolate a variable?

Back

To get the variable alone on one side of the equation.

Front

What is the first step to solve the equation x + 7 = 15?

Back

Subtract 7 from both sides.

Front

What is the solution to the equation 3 + y = 0?

Back

-3