5(2x + 1) < 10
7(x - 2) < -5
3(x + 2) > 0
2006-10-14 09:51:47 · 5 answers · asked by Bob T 1 in Education & Reference ➔ Homework Help
10x+5<10
-5
10x <5
x < 1/2
7x-14< -5
+14 +14
7x < 9
x < 9/7
3x+6> 0
-6 +6
3x >6
x >2
2006-10-14 10:11:03 · answer #1 · answered by The Dynasty 2 · 0⤊ 0⤋
5(2x + 1) < 10
10x + 5 < 10
10 x < 5
x < 1/2
7(x-2) < -5
7x - 14 + 5 < 0
7x - 9 < 0
7x < 9
x < 9/7
3(x+2) > 0
x + 2 > 0
x > -2
x < 2
2006-10-14 16:58:58 · answer #2 · answered by farah_727rash 3 · 0⤊ 0⤋
10x + 5 < 10
7x - 14 < -5
3x + 6 > 0
x= 0 or -1
because nothing else fits the three equations
2006-10-14 17:00:06 · answer #3 · answered by Anonymous · 0⤊ 0⤋
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2006-10-14 16:56:47 · answer #4 · answered by joyann 3 · 0⤊ 0⤋
5(2x+1)<10
10x+5<10
10x<5
x<0.5
7(x-2)<-5
7x-14<-5
7x<9
3(x+2)>0
3x+6>0
3x>-6
x>-2
2006-10-14 16:58:24 · answer #5 · answered by Nick W 3 · 0⤊ 0⤋