Arithmetic Expression

Simplify: 5x+3x+4(3-y). What is the result?

• 8x+12+4y

• 8x−7+4y

• 8x+12-4y

• 8x−12y-4y

Simplify: 7a+4b−5a. What is the result?

• 2a+4b

• 3a+4b

• 2a-4b

• 2b+4a

Simplify: 8y−2y+5. What is the result?

• 6y + 5

• 10y + 5

• 3y + 5

• 14y + 5

Simplify: 6m+2−4+3m. What is the result?

• 9m + 2

• 8m - 2

• 5m - 2

• 9m - 2

Simplify: 2(x+3)+4(x−1). What is the result?

• 6x+2

• 6x+10

• 2x+10

• 6x-2

Simplify: 4x−3(x+2). What is the result?

• 3x - 6

• x - 5

• x - 6

• 2x - 3

What are the constants in the expression?
-4x + 6y - 2

• -4x, 6y, -2

• x, y

• 4x, 6y

• -2

Rewrite (9 + 6) + 5 using the associative property.

• 20

• (9 + 6) + 5 = (9 + 5) + 6

• (9 + 6) + 5  = 9 + (6+5)

• (9 + 6) + 5  = 5 + 9 + 5 + 6

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a² + c²   

• 22

• 34

• 68

• 43

Choose the phrase that matches the expression   21h

• 21 more friends than expected at the party

• 21 more horses in the pasture

• 21 dollars per hour

• 21 balloons were popped at the party