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

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform inverse operations in the reverse order of operations used in the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation -2(x + 10) = -8?

Back

Distribute -2 to both terms inside the parentheses.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation -6w + 1 = -11?

Back

w = 2.

Tags

CCSS.7.EE.B.4A

Front

How do you check if your solution to a two-step 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 solution to the equation 2(x + 5) = -42?

Back

x = -26.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to solve for a variable?

Back

To solve for a variable means to find the value of that variable that makes the equation true.

Tags

CCSS.7.EE.B.4A

Front

What is the second step to solve the equation 3c + 5 = 23?

Back

Subtract 5 from both sides to isolate the term with c.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 4x + 7 = 23?

Back

x = 4.

Tags

CCSS.7.EE.B.4A

Front

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

Back

Inverse operations help to cancel out terms and isolate the variable.

Tags

CCSS.6.EE.B.7