Solve Two-Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 3x + 1 = 10?

Back

Subtract 1 from both sides to isolate the term with the variable.

Tags

CCSS.7.EE.B.4A

Front

What is the second step to solve the equation 3x + 1 = 10 after isolating the variable term?

Back

Divide both sides by 3 to solve for x.

Tags

CCSS.7.EE.B.4A

Front

How do you solve the equation -7(z - 6) = -70?

Back

First, divide both sides by -7, then add 6 to both sides to find z.

Tags

CCSS.7.EE.B.4A

Front

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

Back

Isolating a variable means to manipulate the equation so that the variable is on one side by itself.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation -3 + 8n = -5?

Back

The solution is n = -1/4.

Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.6.EE.B.5

Front

What is the first step to solve the equation 8(s + 3) = 72?

Back

Divide both sides by 8 to simplify the equation.

Tags

CCSS.HSA.REI.A.1

Front

What is the solution to the equation 2r - 3.1 = 1.7?

Back

The solution is r = 2.4.

Tags

CCSS.7.EE.B.4A

Front

What is the purpose of using inverse operations in solving equations?

Back

Inverse operations are used to undo the operations applied to the variable, helping to isolate it.

Tags

CCSS.7.EE.B.4A