Distributing Equations

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Tags

CCSS.6.EE.A.3

Front

Solve for x: 4(x + 9) = 20

Back

x = -4

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 1.5(x + 7) = 11.25

Back

x = 0.5

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 6(x + 12) = -42

Back

x = -19

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 7(x + 8) = 49

Back

x = -1

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 4.5(x - 9) = -13.5

Back

x = 6

Tags

CCSS.7.EE.B.4A

Front

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

Back

Isolating the variable means rearranging the equation so that the variable is on one side and all other terms are on the opposite side.

Tags

CCSS.6.EE.B.7

Front

What is the first step to solve the equation 3(x + 4) = 15?

Back

The first step is to apply the distributive property: 3x + 12 = 15.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 2(x - 5) = 10?

Back

x = 10.

Tags

CCSS.7.EE.B.4A

Front

What is the purpose of checking your solution in an equation?

Back

Checking your solution ensures that the value you found satisfies the original equation.

Tags

CCSS.8.EE.C.7B