Solving one variable 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. It typically involves addition or subtraction followed by multiplication or division.

Tags

CCSS.7.EE.B.4A

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation. This means doing the opposite of what is currently being done to the variable.

Tags

CCSS.7.EE.B.4A

Front

Back

The first step is to add 6.1 to both sides of the equation to isolate x.

Tags

CCSS.6.EE.B.7

Front

Back

x = -13.2

Tags

CCSS.6.EE.B.7

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, where the denominator is not zero.

Tags

CCSS.HSN.RN.B.3

Front

Back

First, subtract 3.6 from both sides, then divide by -2.4 to isolate k.

Tags

CCSS.7.EE.B.4A

Front

Back

k = 4.75

Tags

CCSS.7.EE.B.4A

Front

Back

Tags

CCSS.6.EE.B.7

Front

Back

x = -\frac{3}{4}.

Tags

CCSS.6.EE.B.7

Front

What is the significance of the equal sign in an equation?

Back

The equal sign indicates that the expressions on both sides of it are equivalent in value.