Pre Algebra Order of Operations and Combining Like Terms

Evaluate the expression when x = 2: 5x + 3

• 7

• 13

• 17

• 10

What is the result of 7 - (4 + 2) * 3?

• The result is -3.

• The result is 5.

• The result is 0.

• The result is -11.

Combine like terms: 2x + 3x - 5

• x - 5

• 5x - 5

• 7x - 5

• 6x - 5

What is the value of 4 * (2 + 5) - 3?

• 15

• 28

• 25

• 10

Write an equivalent expression: x + 13y + 8y + 4x

Mathematical Equivalence

ON

To combine like terms in an expression, the terms must have the same ​ ​ (a)   and ​ (b)  

• variable

• exponent

• constant

• coefficients

• coefficient

Simplify the expression by COMBINING LIKE TERMS.

Mathematical Equivalence

ON

Combine like terms: 4a + 2b - 3a + b

• 5a - b

• a - 2b

• 2a + 3b

• a + 3b

Evaluate the expression when x = 4 and y = 2: 3x + 2y

• 10

• 20

• 14

• 16

Simplify the expression: 5 - 2(3 - x)

• 3 - 2x

• 5 - 6 + x

• -1 - 2x

• -1 + 2x