Algebraic Operations and Word Problems

Simplify: 3x + 5x - 2x

• 6x

• 7x

• 5x

• 4x

Evaluate: 4(a + 2) - 3(a - 1)

• 3a + 5

• 4a + 9

• a + 11

• 2a + 7

If a = 2 and b = 3, calculate: 2a + 3b

• 10

• 13

• 15

• 8

Multiply: (x + 4)(x - 2)

• x^2 + 2x - 8

• x^2 + 6x + 8

• x^2 + 2x + 8

• x^2 - 2x + 8

Divide: 6x^2 / 3x

• 6x

• 2x

• 3x

• 2x^2

Solve for x: 2(x - 3) + 4 = 10

• 6

• 4

• 8

• 10

Write a word problem for the expression: 5x - 3

• The number of oranges the farmer has after selling 5 oranges.

• The total cost of 5 items after a discount of 3 dollars.

• The distance traveled by a car after driving for 5 hours and losing 3 miles.

• The total number of apples the farmer has after giving away 3 apples.

If the sum of two numbers is 12 and one number is x, express the other number in terms of x.

• 12 - x

• x + 12

• 12 / x

• x - 12

Evaluate: 2(3 + 4) - 5 + 6

• 10

• 12

• 15

• 20

If 3 times a number decreased by 4 equals 11, what is the number?

• 5

• 7

• 10

• 2