Solving One Step Equations using Addition or Subtraction

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in a single step, typically by using addition or subtraction to isolate the variable.

Front

What does it mean to isolate a variable in an equation?

Back

Isolating a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

If Janna is 3 years older than Zak and Janna is 12, how do you express Zak's age?

Back

The equation is z + 3 = 12.

Front

How do you solve the equation 2 + n = 16?

Back

Subtract 2 from both sides: n = 16 - 2, so n = 14.

Front

What is the solution to the equation y + 6 = 20?

Back

Subtract 6 from both sides: y = 20 - 6, so y = 14.

Front

How do you solve the equation m - 5 = -10?

Back

Add 5 to both sides: m = -10 + 5, so m = -5.

Front

What is the solution to the equation r + 18 = -27?

Back

Subtract 18 from both sides: r = -27 - 18, so r = -45.

Front

What is the first step to solve the equation x + 4 = 10?

Back

Subtract 4 from both sides to isolate x.

Front

What does it mean if an equation has no solution?

Back

It means that there is no value for the variable that can make the equation true.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.