Combining Like Terms

Evaluating Expressions

Notes

Distribution

One-step equations

100

Combine like terms.

3x + 4x + 7 - 2x

What is 5x + 7?

100

Evaluate the expression when x = 2 and y = 4.

3x - 4y + 6 - 2x

What is -8?

100

Define evaluate.

What is plugging in a number for a variable and simplify fully following PEMDAS?

100

Distribute and simplify.

3(3x + 5)

What is 9x + 15?

100

x + 3 = 9

What is x = 6?

200

Combine like terms.

4x + 5 - 6 + 2x

What is 6x - 1?

200

Evaluate the expression when x = 2 and y = 1.

4x - 5x + 10 - 6y

What is 2?

200

List the order of operations.

What are Parentheses, Exponents, Multiplication, Division, Addition, Subtraction?

200

Distribute and simplify.

4(6x - 2x + 3)

What is 16x + 12?

200

x - 24 = 36

What is x = 60?

300

Combine like terms.

5x + 3y + 10x - 4y

15x - y

300

Evaluate the expression for when x = 1 and y = 3.

4y - 2x + 12

What is 22?

300

Define distribution.

What is multiplication represented with parentheses?

300

Distribute and simplify.

7(7x + 3y - 5)

What is 49x + 21y - 35?

300

18 - x = 2

What is x = 16?

400

Combine like terms.

3x - 4y + 17 + 6x - 2y

What is 9x - 6y + 17?

400

Evaluate the expression when x = -1 and y = 4.

3y - 2x + 15 + 5x

What is 24?

400

Steps to distribute.

What is multiplying every term inside the parentheses by the number outside the parentheses?

400

Distribute and simplify.

9(9x + x - 3)

What is 90x - 27?

400

x/4 = 12

What is x = 48?

500

Combine like terms.

3x^{2 }- 2x^{2 }+ 4 + 2x + 3x

What is x^{2} + 5x + 4?

500

Evaluate the expression when x = 3.

3x + 4x - 7 - 2x

What is 8?

500

Distribute, combine like terms, evaluate, and simplify for when x = 2 and y = 3.

3(3x - 2x + 5 + 2y)

THERE ARE TWO ANSWERS: SIMPLIFIED FORM OF THE EXPRESSION AND THE ANSWER AFTER YOU EVALUATE WHEN X = 2 and Y = 3.

What is 3x + 6y + 15 AND 39?

500

Distribute and simplify.

8(8x - 4y + 2x - 3)

What is 80x - 32y - 24?

500

x/5 = 30

What is x = 150?

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