Solving One Step Equations using Addition or Subtraction

Front

What is a one-step equation?

Back

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

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform the inverse operation on both sides of the equation.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Front

Solve for x: x + 4 = 14

Back

x = 10

Front

Solve for z: z + 3 = 12

Back

z = 9

Front

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

Back

z + 3 = 12

Front

Solve for n: 2 + n = 16

Back

n = 14

Front

Solve for k: 25 + k = 13

Back

k = -12

Front

What does it mean to 'show your work' in solving equations?

Back

'Showing your work' means to clearly demonstrate each step taken to solve the equation.