Keystone Algebra Review Prep

Solve the equation:
-5x = 25

• x = 20

• x = -20

• x = -5

• x = 5

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

how would you solve this equation: 9x=153?

• multiply by 9

• divide by 9

• add 153

• subtract 153

How many terms are in the expression
5y - 3rx + 7

• 1

• 2

• 3

• 4

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y

• 5x + 4y

• 5x - 4y

• 5x -10y

Solve for m:

m - 9 = 13

• m = 4

• m = 22

• m = -22

• none of the above

Simplify the expression.
13x - 4y + 2x - y + 3

• 15x - 4y - y + 3

• 13x - 5y + 2x + 3

• 15y - 5x - 3

• 15x - 5y + 3

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.
-1 + 4n + 8 + 6n

• 10m + 9

• 10n + 7

• 10

• 3n