Ecuaciones enteras de primer grado (MachadoA)
  • 1. 8x - 4 + 3x = 7x + x + 14
A) -8
B) -6
C) 6
D) 8
E) -2
  • 2. 5y + 6y - 81 = 7y + 102 + 65y
A) -3
B) 1/3
C) -1
D) 3
E) -1/3
  • 3. -2(x+5)-(-x+2)=3x-16
A) 2
B) 1
C) -1
D) 4
E) -4
  • 4. 8x - 15x - 30x - 51x = 53x + 31x - 172
A) 1
B) -1
C) -10
D) 10
E) -11
  • 5. 5(x - 1) + 16(2x + 3) = 3(2x - 7) - x
A) 2
B) -1/2
C) 1/2
D) -1
E) -2
  • 6. 184 - 7(2x + 5) = 301 + 6 (x - 1) - 6
A) 3/7
B) 7
C) -7
D) -7/3
E) -4/3
  • 7. 3x(x - 3) + 5(x + 7) - x(x + 1) -2(x2 + 7) + 4 = 0
A) -6
B) -6/5
C) -5
D) 5
E) 5/6
  • 8. 5x = 8x - 15
A) 6/5
B) -6/5
C) 5
D) -5
E) -6
  • 9. 9y - 11 = -10 + 12y
A) 1/3
B) 3
C) -5/9
D) 1/9
E) -1/3
  • 10. 11x + 5x -1 = 65x -36
A) 5/7
B) 5
C) 7
D) 7/5
E) -7
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