4.20 Solving One-Step Equations with Substitution

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.

Tags

CCSS.6.EE.B.7

Front

What does it mean to solve an equation?

Back

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

Tags

CCSS.7.EE.B.4A

Front

What is the first step in solving the equation 6b = 30?

Back

Divide both sides of the equation by 6 to isolate b.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation 6b = 30?

Back

b = 5.

Tags

CCSS.6.EE.B.7

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 value of n in the equation 9n = 27?

Back

n = 3.

Tags

CCSS.6.EE.B.7

Front

What operation would you use to solve the equation 45 + z = 92?

Back

Subtract 45 from both sides to isolate z.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation 45 + z = 92?

Back

z = 47.

Tags

CCSS.6.EE.B.7

Front

Which equation has the solution x = 3?

Back

3x + 2 = 11.

Tags

CCSS.6.EE.B.5

Front

What is the value of n in the equation n - 5 = 22?

Back

n = 27.

Tags

CCSS.6.EE.B.7