Solving Equations with Addition and Subtraction

Front

Solve the equation: +5 = 2 + n

Back

n = 3

Front

Find n: 24 + n = 40

Back

n = 16

Front

What is the inverse operation for the expression x - 3?

Back

addition

Front

Solve the equation: 1 + a = 15

Back

a = 14

Front

To solve a - 4 = 35 you would ...

Back

add 4 to both sides of the equation.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other side.

Front

What is the purpose of using inverse operations in solving equations?

Back

To undo operations and isolate the variable.

Front

If you have the equation n + 7 = 12, what is n?

Back

n = 5

Front

What is the first step to solve the equation x - 5 = 10?

Back

Add 5 to both sides of the equation.