Combining Like Terms & Solving Equations

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms, while 3x and 4y are not.

Tags

CCSS.6.EE.A.2B

Front

How do you combine like terms?

Back

To combine like terms, add or subtract the coefficients of the terms that have the same variable. For example, 6x + 3x = 9x.

Tags

CCSS.7.EE.A.1

Front

What is the first step in solving an equation?

Back

The first step in solving an equation is to simplify both sides of the equation by combining like terms.

Tags

CCSS.8.EE.C.7B

Front

What does it mean to isolate the variable?

Back

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

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 6x + 3x = 18

Back

x = 2

Tags

CCSS.7.EE.B.4A

Front

Solve for a: -15 = 5a + 12 - 2a + 6

Back

a = -11

Tags

CCSS.8.EE.C.7B

Front

Solve the equation: 3x - x + 2 = 4(2x - 1)

Back

x = 1

Front

Solve for x: 6x - 5 + 7x = 34

Back

x = 3

Tags

CCSS.8.EE.C.7B

Front

Solve for x: 2x + 3(5x - 7) = 47

Back

x = 4

Tags

CCSS.8.EE.C.7B

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

Tags

CCSS.6.EE.A.2C