One-Step Equations Addition/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 involving addition or subtraction to isolate the variable.

Tags

CCSS.6.EE.B.7

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 to get the variable by itself.

Tags

CCSS.6.EE.B.7

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

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CCSS.HSA.REI.A.1

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

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CCSS.2.NBT.B.5

Front

If g - 15 = 30, what is the first step to solve for g?

Back

Add 15 to both sides of the equation.

Tags

CCSS.HSA.REI.A.1

Front

In the equation r + 20 = 27, how do you solve for r?

Back

Subtract 20 from both sides of the equation.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation x + 7 = 12?

Back

x = 5, found by subtracting 7 from both sides.

Tags

CCSS.6.EE.B.7

Front

If s - 22 = 50, what is the value of s?

Back

s = 72, found by adding 22 to both sides.

Tags

CCSS.6.EE.B.7

Front

How do you check your solution for an equation?

Back

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

Tags

CCSS.8.EE.C.7B

Front

What does it mean to 'solve for the missing variable'?

Back

It means to find the value of the variable that makes the equation true.