can someone explain how to do this? http://gyazo.com/483a92df8b5ee9cabeafccc9947bc9a0

Question

cwrw238 · Answer

-4y + 17 <= 29
subtract  17 from both sides
-4y <= 12
divide both sides by  -4
note y <= -3 is not correct
- difference from processing equations - dividing by a negative reverses the inequality sign
so its
v >= -3

anonymous · Answer

ah, i see. could I ask for your help with one final answer?

cwrw238 · Answer

ok

anonymous · Answer

http://gyazo.com/46b1b4c027ef38194fc9fbc1036e1d5a

anonymous · Answer

last one

cwrw238 · Answer

16 < 3x + 1 < 4
15 < 3x < 3
divide through by 3
5  < x < 3

cwrw238 · Answer

the graph  is

a straight line with open circles on  3 and 5

shaded to left of 3 and to the right of 5

anonymous · Answer

what would the graph solution be for the first one?

cwrw238 · Answer

oooopps  - sorry  -   i'm an idiot   its  1 not 3!!!
i didn't divide 3 by 3

cwrw238 · Answer

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