Cindycamacho Cindycamacho
  • 20-10-2014
  • Mathematics
contestada

solve and graph
2r - 9 > -6

9x-5 < -41 or 3x + 13 >7

4x+3 > -17 and 7x-4<10

Respuesta :

JonH JonH
  • 20-10-2014

2r - 9 > -6
2r - 9 = -6
2r = 3

r = 3/2 = 1.5

r > 1.5

9x-5 < -41
9x-5 = -41
9x = -36
x = -36/9 = -4
x < -4

3x + 13 > 7
3x + 13 = 7
3x = -6
x = -6/3 = -2
x > -2

4x + 3 > -17
4x + 3 = -17
4x = -20
x = -20/4 = -5
x > -5

7x - 4 < 10
7x - 4 = 10
7x = 14
x = 14/7 = 2
x < 2

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