One and Two Step Equations

Front

What is a one-step equation?

Back

An equation that can be solved in one step, typically by adding, subtracting, multiplying, or dividing both sides by the same number.

Front

What is a two-step equation?

Back

An equation that requires two steps to solve, usually involving two operations to isolate the variable.

Front

Solve for c: 3c + 5 = 23

Back

c = 6

Front

Solve for x: x + 12 = -20

Back

x = -32

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the opposite side.

Front

Solve for x: 5x = 45

Back

x = 9

Front

What is the first step to solve the equation a/3 + 7 = 13?

Back

Subtract 7 from both sides to isolate the term with a.

Front

Solve for a: a/3 + 7 = 13

Back

a = 18

Front

Which operation would you use to eliminate a constant from an equation?

Back

Subtraction.

Front

What is the solution to the equation 2x = 20?

Back

x = 10