-2(2y-9) >/= 4-5(y-2)
*>/= is greater than or equal to
2007-09-08 07:47:35 · 8 answers · asked by dummiesx3 2 in Science & Mathematics ➔ Mathematics
-2(2y-9) >/= 4-5(y-2)
-4y +18 >/= 4 -5y + 10
5y-4y >/= 4+10 -18
y >/= -4
2007-09-08 07:53:13 · answer #1 · answered by ironduke8159 7 · 0⤊ 0⤋
-2(2y-9) ⥠4-5(y-2)
First, distribute and combine like terms:
-4y+18 ⥠4-5y+10
-4y+18 ⥠14-5y
Add 5y-18 to both sides:
yâ¥-4
And we are done.
2007-09-08 14:52:42 · answer #2 · answered by Pascal 7 · 0⤊ 0⤋
-2(2y-9) >/= 4-5(y-2)
-4y+18>=4-5y+10
-4y+5y>=4+10-18
y>=-4
s.s=[-4,infinty[
2007-09-08 14:59:42 · answer #3 · answered by Anonymous · 0⤊ 0⤋
-4y+18>=4-5y+10
-4y+5y>=4+10-18
y>=-4
The Solution set: [-4,infinity)
2007-09-08 14:57:23 · answer #4 · answered by medo 1 · 0⤊ 0⤋
-2(2y-9) >/= 4-5(y-2)
(-2)*2+(-2)*(-9)>/=4-5*y-5*(-2)
-4y+18>/=4-5y+10
-4y+5y>/=14-18
y>/=-4
2007-09-08 14:54:38 · answer #5 · answered by unonimy 2 · 0⤊ 0⤋
-4y + 18 >= 4 - 5y + 10
y >= -4
2007-09-08 14:52:17 · answer #6 · answered by cjcourt 4 · 0⤊ 0⤋
believe y must be greater than -2
2007-09-08 14:53:46 · answer #7 · answered by PhilosophersStone 2 · 0⤊ 0⤋
-24
2007-09-08 15:02:46 · answer #8 · answered by david q 2 · 0⤊ 0⤋