Simplifying

Simplify:  x + x + 7 + 3

• 2x + 7 + 3
• 2x + 10
• x2 + 10
• No clue

Simplify:  2x + 3x + 8 - 3

• 5x + 5
• 2x + 5
• 5x - 5
• 6x + 5

Simplify:  x + x + x + x + n + n

• n² + x⁴
• x4 + n2
• 4x + 2n
• 5xn

Simplify:  x + x + x + x + n + n

• n
• 3x + n2
• 4x + 2n
• 5xn

Simplify:  10x - 3x + 2x + 5 - 7

• 7x - 2
• 9x - 2
• 7x + 2
• 9x - 2

Which one says:  the sum of a number and 12 is 15?

• 3 + 12 = 15
• x + 12
• x + 12 = 15
• 12 - x = 15

Simplify:  2x + 6x - 3x

• 8x
• 3x
• 5x
• 8x - 3x

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.B.6

Which one says:  The product of a number and 4 is 28?

• 4x = 28
• x4 = 28
• x + 4 = 28
• 7 x 4 = 28

Which one says:  The product of a number and five, added to 3 is 18.

• 15 + 3 = 18
• 5x + 3 = 18
• n x 5 = 15
• x5 - 3 = 18

Which one says:  a number multiplied by itself²

• 2x 
• x + x
• x2
• x²