WORD PROBLEMS
Algebra
Step 4.
Solving for x:
x
1
2
(x
7)
35
2x
x
7
70
3x
70
7
3x = 63
x = 21 points
Solving for the other unknowns:
1
2
(x
7)
1
2
(21
7)
1
2
(x
7)
1
2
(28)
1
2
(x
7)
14 points
Answers:
Winning Team’s Score = 21 points
Losing Team’s Score = 14 points
Step 5.
The winning team’s score is 7 points less than twice the score of
the losing team.
2(14) - 7 = 28 - 7 = 21 points
The total score of both teams is 35 points.
21 + 14 = 35 points
Thus, the answers check.
MA-02
Page 48
Rev. 0
