One Step Addition Equations

Front

f + 21 = -20

Back

f = -41

Front

b + 78 = 98

Back

b = 20

Front

The letter in an algebra problem is called the...

Back

variable

Front

88 + c = 146

Back

c = 58

Front

11 + a = 70

Back

a = 59

Front

What is an equation?

Back

A mathematical statement that shows the equality of two expressions.

Front

What is a variable?

Back

A symbol used to represent an unknown value.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

If x + 5 = 10, what is x?

Back

x = 5