Algebra Concepts

Simplify the expression.
-b + 2 + 9b

• 2 + 8b

• 2 - 8b

• -8b + 2

• -2 - 8b

Simplify the expression.
2m - 8 - 2m - 1

• 0

• 9

• -9

• 4m - 9

Simplify the expression
-5 + 9

• 4

• 15

• -4

• -14

What is another way to write:

2 - (- 2)

• 2 - 2

• 2 + 2

• 2 + -2

• 2 - +2

Solve the equation:
-5x = 25

• x = 20

• x = -20

• x = -5

• x = 5

5 = f - 2

• 4

• 7

• -3

• 2

Is (7a + 4 - 2a) equivalent to (7a + -2a + 4) ?

• no

• yes

-3 + (-2)

• -5

• 5

• 1

• -1

-6 + 7

• 1

• -1

• 13

• -13

The number in front of a variable. 

• Term

• Constant

• Coefficient

• Factor