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Algebra Review and Practice
Con il contributo di: Morrison
  • 1. 18x - 50 = 43x - 125
A) 7
B) 3
C) -3
D) -7
  • 2. 2x + 7 = 5x + 16
A) 3
B) -3
C) -23/3
D) 2/3
  • 3. -3(x - 6) = 5(2x + 3)
A) 9/13
B) -9/13
C) 3/13
D) -3/13
  • 4. 21 - x = -87 + 2x
A) 36
B) 22
C) 33
D) 54
  • 5. 7 + 6x = 8x - 13
A) -3
B) 10
C) 3
D) -10
  • 6. 2x - 11 = 111
  • 7.
A) 6
B) 0
C) 5.5
D) 4
  • 8. 36.5x = 1387
  • 9. Correctly combine like terms: 7(2x + 5) + 8(x2 - 5) + 9(3x + y)
A) 8x2 + 21x + 9y + 75
B) 8x2 + 41x + 4 + y
C) 8 + x2 + 21x + y
D) 8x2 + 41x + 9y - 5
E) 8x2y + x - 5
  • 10. 7(2x - 3) = 5(x + 9) - 2x
  • 11. 9 + (5-9)2 + 6 * 6 - 7 * 7
  • 12. 8x = 18
A) 10
B) 0.44444
C) 2.25
D) -10
  • 13. x - 11 = -35
  • 14. -x = x + 8
A) -4
B) 0
C) 4
  • 15. -3x - 1 = x + 35
  • 16. -2(5x + 4) + 3x + 1 = 35
  • 17. Let's say the rule is y = x2 + 3x + 2. If x is -4, what is y?
A) -2
B) 30
C) 6
D) 22
E) -26
  • 18. -3(2x + 2) + 5(2x - 3) = 5x - 22
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