Algebraic Expressions and Substitution

3 - 5(a - 4)

• 23 - 5a

• 5a - 23

• 18a

• -18a

5a - 6b + 4a + 3b

• 9a - 3b

• a + b

• 6ab

• -b + a

8a + 3a

• 11a

• 5a

• 11

• a

Which expression is equivalent to -5(x + 10)?

• 5x + 50

• -5x + 10

• -50 - 5x

• 5x - 50

What is 7y + 15 - 7y - 8?

• 3

• 5

• 6

• 7

Evaluate: 10 - (3h + 2) for h = 3

Mathematical Equivalence

ON

Simplify: 6x + 2m

when x = 10 and m = (-9)

• 42

• -66

• 102

• 13

What is the value of 9 +2(5 - 3) - 6?

• 1

• 7

• 9

• 13

Simplify: -5x + 1

when x = 12

• 59

• -59

• 60

• -60

Simplify: 13 - 4x

when x = (-8)

• -19

• -45

• 45

• The answer is not here.