Simplifying Algebraic Expressions and Equations

3a + 9 + 4a = 2

• -1

• 1

• no solution

• -7

Simplify the expression: 18 - 7(3 - x).

Mathematical Equivalence

ON

Solve the following equation:

3(10x-4)=-132

• x=-4

• x=-124

• x=60

• x=-6

Simplify:

3d+4s-5d+s

• -2d+5s

• 3ds

• -2s+5d

• 8d+5s

Solve for m : 3m + 9 = 21

• m = 4

• m = -4

• m = 10

• m = -10

Solve for y : 4y - 11 = 33

• y = 5.5

• y = -5.5

• y = -11

• y = 11

What vocabulary word fits the following example:

3(x+2)= 3x+6

• Communative Property

• Coefficient

• Variable

• Distributive Property

Simplify: 4(5x + 2) - 6

• 20x - 4

• 28x - 6

• 9x

• 20x + 2

Write an algebraic expression for: the quotient of p and 5

• p + 5

• p/5

• 5p

• p-5

Your job pays $7 per hour. Write an algebraic expression for your pay in dollars for working h hours.

• 7 + h

• 7 / h

• 7h

• 7 - h