Solving One-Step Equation (Add and Subtract)

Front

How do you solve the equation z + 8 = 23?

Back

Subtract 8 from both sides of the equation.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

Solve for x: x + 12 = 20

Back

x = 8.

Front

Solve for y: y - 7 = 10

Back

y = 17.

Front

What is a one-step equation?

Back

An equation that can be solved in one operation, either addition or subtraction.

Front

If you have the equation x + a = b, how do you isolate x?

Back

Subtract a from both sides.

Front

In the equation y - b = c, what operation do you perform to solve for y?

Back

Add b to both sides.

Front

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

Back

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

Front

If you have the equation 5 + z = 12, how do you solve for z?

Back

Subtract 5 from both sides.