MauriceLong
Use both the addition and the multiplication propeties of inequalitiy to solve the inequality
4x+3<35
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gvt016
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Use the same properties as an equation, the difference is the answer
MauriceLong
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Im confuse with this problem can u explain how too do this problem please
gvt016
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Well I know that you need a complete explanatio but there are people on this site sayimg that the students shouldn´t get complete answers
I will anyway......
MauriceLong
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ok
MauriceLong
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thanks for helping me with this..
gvt016
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first you subtract -3 both sides
MauriceLong
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so i - 3 from 4x and 3
gvt016
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this way 4x + 3 - 3 < 35 -3
gvt016
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then you have 4x < 32
MauriceLong
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4x<32
MauriceLong
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x=8
gvt016
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yeah good then you dont need 4 there
gvt016
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excellent
MauriceLong
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x<8
gvt016
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that means all the numbers before 8
..................
MauriceLong
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how would you write x<8 in interval notation
gvt016
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on equations the answer is one number
on inequalities the answers are many numbers
gvt016
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|dw:1353884676497:dw|
MauriceLong
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thats how you write x<8 in interval notation above
gvt016
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yes thats the interval
gvt016
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It was a pleasure to help you
MauriceLong
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thank you so much
MauriceLong
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can i write it like this (-\[(\infty;8) or <\infty;8>\]
gvt016
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Yeah both are correct, just add (-) sign before the infinite symbol
MauriceLong
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do i hve too hve a - in there