TEKS.MATH.7.11A

Which situation is best represented by the equation below?
7 = 127 − 5b

• Of the 127 people attending a rugby game, 5 were at the concession stand, b were seated, and 7 were standing up and cheering. What is b, the number of attendees who were seated?
• There were 7 players left over after 127 rugby players in a league were divided into 5 teams with b players on each team. What is b, the number of players on each team?
• There were 5 players left over after 127 rugby players in a league were divided into 7 teams with b players on each team. What is b, the number of players on each team?
• Of b people attending a rugby game, there were 7 people at the concession stand, 127 people who were seated, and 5 people who were standing up and cheering. What is b, the number of people attending the game?

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TEKS.MATH.7.11A

Solve: -2y - 7 = 3

• -5
• 5
• 2
• -2

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TEKS.MATH.7.11A

6a - 2(3a + 4)

• -8
• 12a + 4
• 12a - 4
• a - 8

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TEKS.MATH.7.11A

-7b=49

• B=7
• B=-7
• B=2

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TEKS.MATH.7.11A

Solve
-19 ≤ 8 + k

• -27 ≤ k
• -11 ≤ k
• -27 ≥ k
• -11 ≥ k

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TEKS.MATH.7.11A

10(3y+1)

• 13y+11
• 30y+10
• 10y+1

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TEKS.MATH.7.11A

-3=k-5
k=?

• -⅗
• -15
• 2
• -8

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TEKS.MATH.7.11A

Which property justifies the fourth step?
          2 - 7 = 3x + 7 - 7
          2 - 7 = 3x + 0
          2 - 7 = 3x
            -5 = 3x

• Substitution Property of Equality
• Subtraction Property of Equality
• Minus Property of Subtraction
• Inverse Property of Addition

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TEKS.MATH.7.11A

3(2c - 5)

• 6c - 15
• 6c + 15
• 6c + 15
• -6c - 15

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TEKS.MATH.7.11A

5x + 4 = −6

• 2
• -2
• 10
• 15

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TEKS.MATH.7.11A