Hermosa0
Hermosa0 Hermosa0
  • 03-10-2016
  • Mathematics
contestada

What value of x is in the solution set of 3(x – 4) ≥ 5x + 2?

–10
–5
5
10

Respuesta :

Ckaranja
Ckaranja Ckaranja
  • 03-10-2016
3(x-4)[tex] \geq 5x+2[/tex]
Opening brackets;
3x-12[tex] \geq [/tex]5x+2
Putting like terms together;
3x-5x[tex] \geq 2+12[/tex]
-2x[tex] \geq 14[/tex]
x[tex] \leq -7[/tex]
Answer Link
olemakpadu
olemakpadu olemakpadu
  • 03-10-2016
3(x – 4) ≥ 5x + 2

3*x - 3*4
≥ 5x + 2

3x - 12 ≥ 5x + 2

3x - 5x
≥ 2 + 12

-2x ≥ 14               

x ≤ 14 / -2      When dividing by a -ve number the sign reverses.

x ≤ -7
Answer Link

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