One and two step equations

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 performing the inverse operation to isolate the variable.

Front

What is a two-step equation?

Back

A two-step equation is an equation that requires two operations to isolate the variable, usually involving addition or subtraction followed by multiplication or division.

Front

Solve: 3x + 7 = -8

Back

x = -5

Front

Solve: x + 12 = -20

Back

x = -32

Front

Solve: u/4 = 12

Back

u = 48

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to manipulate an equation so that the variable is on one side of the equation by itself.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

How do you check if your solution to an equation is correct?

Back

You can check your solution by substituting the value back into the original equation to see if both sides are equal.

Front

Write the equation for Jim's gym membership fee: $50 plus $20 per month, totaling $290.

Back

50 + 20m = 290