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