One step Equations

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step by performing the same operation on both sides of the equation.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

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

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

What is the inverse operation of division?

Back

The inverse operation of division is multiplication.

Front

How do you solve the equation 71 = s + 38?

Back

Subtract 38 from both sides to isolate s: s = 71 - 38, so s = 33.

Front

How do you solve the equation 1/5 n = 40?

Back

Multiply both sides by 5 to isolate n: n = 40 * 5, so n = 200.

Front

How do you solve the equation n - 18 = 3?

Back

Add 18 to both sides to isolate n: n = 3 + 18, so n = 21.

Front

How do you solve the equation n + 4 = 12?

Back

Subtract 4 from both sides to isolate n: n = 12 - 4, so n = 8.