1-Step Equations

Front

What is the first step to isolate a variable in an equation where the variable is being divided by a number?

Back

Multiply both sides of the equation by that number.

Front

How can you represent a situation where a person has a certain number of items and then acquires more?

Back

Use an equation in the form of v + n = total, where v is the initial amount, n is the number acquired, and total is the final amount.

Front

What is the solution to the equation -6 = r/3?

Back

r = -18.

Front

In the equation x + 7 = 12, what operation should be performed to isolate x?

Back

Subtract 7 from both sides.

Front

What is the solution to the equation x ÷ 6 = 42?

Back

x = 252.

Front

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

Back

To manipulate the equation so that the variable is alone on one side of the equation.

Front

What is the general form of a one-step equation?

Back

An equation that can be solved in a single operation, such as addition, subtraction, multiplication, or division.

Front

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

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.