Simplify Expressions With Variables

Simplify the expression: -5(x + 4)

• 5x + 4

• -5x + 4

• -5x - 20

• -5x + 20

Combine like terms to simplify: 5 + b + 2

• 7b

• 7b + 7

• 7 + b

• 8b

Can you simplify 3x + 7?

• Yes, you can add 3 and 7

• Yes, you can add 1x and 7

• No, you can't add them because they are not "like terms."

Find the sum:  (3d - 5) + (d + 3)

• 4d + 8

• 2d + 8

• 2d - 2

• 4d - 2

Find the sum:  (3w - 8) + (-6w - 4)

• -3w + 12

• 9w + 12

• -3w - 12

• -9w - 12

Find the sum:
2(x + 3) + 3(3x - 2)

• 11x

• 11x - 12

• 11x + 12

• 0

Find and simplify an expression representing the perimeter of a square with a side length of 15-2x.

• 30-4x

• 60-8x

• 17x

• 68x

symbols, often letters, that represent different values in various situations

• terms

• variables

• expressions

• constant

terms with the same variable raised to the same power.

• like terms

• variable

• term

• expression

Simplify the Expression: 10x - 3(2x + 8)

• 4x - 24

• -4x + 24

• 16x - 24

• 14x - 6