Topic 4.6 Adding Expressions

Add the expressions: (2x+3) + (x+1)

• 3x+4

• 2x+4

• x+4

• 3x+1

Add the expressions: (-3x+7) + (-6x+9)

• 9x+16

• 3x+15

• -9x+16

• 3x-16

Add the expressions: (-3x-7) + (4x+7)

• x+14

• x

• -x+7

• -x+14

A rectangle has side lengths of (3x+6) inches and (2x-4). Write an expression to represent the perimeter of the rectangle.

• 10x-4

• 5x+2

• 10x+20

• 10x+4

Ray paid (4x+7) dollars for a roast beef and (2x-5) dollars for five pounds of potatoes. Write an expression for the total amount he spent on food.

• 6x+2

• 8x-35

• 6x-2

• 8x+2