Solving Two Step Equations with Rational Numbers

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 the inverse operations in the reverse order of how they are applied.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation -4(1 + 3x) = 68?

Back

Distribute -4 to both terms inside the parentheses: -4 - 12x = 68.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation -54 = -4n + 2?

Back

n = 14.

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 does it mean to have a rational number in an equation?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

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 parentheses in equations?

Back

Parentheses indicate which operations should be performed first according to the order of operations.

Tags

CCSS.6.EE.A.2C

Front

What is the solution to the equation 3(2x + 5) = 39?

Back

x = 4.

Tags

CCSS.7.EE.B.4A

Front

What is the inverse operation of addition?

Back

Subtraction.

Tags

CCSS.2.NBT.B.5