Evaluating Algebraic Expressions with Integers and PEMDAS

Evaluate 7a - 6 if a = 3.

• 15

• 67

Evaluate 9b + 15 if b = 3.

• 42

• 108

Evaluate y - 17 if y = 28.

• 11

• 17

• 27

• 28

Evaluate the expression:

2 + m if m = 7

• 5

• 27

• 9

• 72

Evaluate 2x + 5(y - 1) when x = 8 and y = 5

• 20

• 31

• 36

• -4

Evaluate:
x - y - x² + (y² + x)
when x = -3 and y = -2

• -9

• 9

• -3

• -13

Evaluate the expression when a = -15:

|a - 5| + 2

• 22

• 27

• -18

• 7

Evaluate the expression when p = 9 and q = 2:

|10p - 7q|

• 31

• 76

• -76

• 152

Simplify:
17m - 4 - 15m + 8

• 2m + 4

• 2m + (-12)

• 2m + 12

• 2m + (-4)

Simplify:
-5 - 15n - 10n + 19

• -25n + 14

• -25n + 4

• -5n + 14

• -5n + 24