One Step Equations Addition and Subtraction

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in a single step by performing the same operation on both sides to isolate the variable.

Front

What is the first step to solve the equation 15 = m - 5?

Back

Add 5 to both sides to isolate m.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

Solve for r in the equation r + 20 = 27.

Back

r = 7.

Front

How do you isolate x in the equation x + 7 = 12?

Back

Subtract 7 from both sides to get x = 5.

Front

Solve for x in the equation 17 = x + 3.

Back

x = 14.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.

Front

What operation would you perform to both sides of the equation x + 4 = 10 to solve for x?

Back

Subtract 4 from both sides.

Front

If you have the equation 12 = y - 8, what is the first step to solve for y?

Back

Add 8 to both sides.