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Mathematics 18 Online
OpenStudy (anonymous):

-4x + 15 > 59 bit stuck on this on this stuff please help

ganeshie8 (ganeshie8):

start by subtracting 15 both sides

OpenStudy (anonymous):

-19 and 44

OpenStudy (anonymous):

?

ganeshie8 (ganeshie8):

hey no, you cannot subtract apples and coconuts

ganeshie8 (ganeshie8):

-4x + 15 > 59 subtract 15 both sides -4x + 15 > 59 -15 -15 -4x > 44 divide -4 both sides x < -11

OpenStudy (anonymous):

OHHHHHHH

ganeshie8 (ganeshie8):

thats the entire solution, see if it helps

OpenStudy (anonymous):

i get it now

ganeshie8 (ganeshie8):

glad to hear that :)

OpenStudy (anonymous):

thhx C:

ganeshie8 (ganeshie8):

np :D

OpenStudy (anonymous):

one more little question how do you know what to subtract on both sides

ganeshie8 (ganeshie8):

thats a very good question :)

ganeshie8 (ganeshie8):

-4x + 15 > 59

ganeshie8 (ganeshie8):

looking at that thing, our goal is to ISOLATE x

ganeshie8 (ganeshie8):

since +15 is there on both sides, to isolate x, i thought i would subtract 15 both sides, so that 15 goes away on left side

ganeshie8 (ganeshie8):

-4x + 15 > 59 -15 -15 -4x > 44

ganeshie8 (ganeshie8):

see, half the work is done already, just by subtracting 15 both sides see how the left side looks lean and thin :)

OpenStudy (anonymous):

ooohhh makes sense

OpenStudy (anonymous):

:D never knew learning could be so fun on here c:

ganeshie8 (ganeshie8):

it is fun cuz your antennas are active and you're brilliantly using them :))

OpenStudy (anonymous):

hehe :3

ganeshie8 (ganeshie8):

:) more u work these, more easy these wil seem... have fun !!

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