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Mathematics 18 Online
OpenStudy (anonymous):

7 - y > 5 - y

OpenStudy (anonymous):

7>5

OpenStudy (anonymous):

y cuold = anything

OpenStudy (anonymous):

could

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

we need medals

OpenStudy (anonymous):

simplify

OpenStudy (anonymous):

y = the same thing so they cancel out. then ur left with 7>5. get it?

OpenStudy (anonymous):

acyuly, y=y so that's why they cancel out

OpenStudy (anonymous):

is there a way that "y" could be included in my answer?

OpenStudy (anonymous):

i have spelling errors, actualy

OpenStudy (anonymous):

no

OpenStudy (anonymous):

for example : 2(4-n)<3n-7 = n>3

OpenStudy (anonymous):

in this case, yes because in your first question, the y's canceled out

OpenStudy (anonymous):

7-y>5-y =7>5-y+y. the y's cancel out

OpenStudy (anonymous):

replace y with any #

OpenStudy (anonymous):

why wouldn't you do something like, " 7 - y > 5 - y = 7 + 5 - y > 5 + 5, then the 5's would cancel each other out? then eventually the y's become 2y

OpenStudy (anonymous):

where did u get the extra 2 five's?

OpenStudy (anonymous):

u r missing a y

OpenStudy (anonymous):

it's solving inequalities and yes - i forgot to add another y

OpenStudy (anonymous):

u can't have more fives

OpenStudy (anonymous):

you would add 5 to both sides, just to show your work, but you took it and added y to both sides, which you're sure is correct?

OpenStudy (anonymous):

the y's just cancel out without doing much work

OpenStudy (anonymous):

is this logically correct then?

OpenStudy (anonymous):

which answer? mine or yours?

OpenStudy (anonymous):

\[-5(k-1)\ge5(2-k)\] solve this one

OpenStudy (anonymous):

it'll take me some time

OpenStudy (anonymous):

isolate the k's to see if they cancel out

OpenStudy (anonymous):

\[1\ge2\] there is no solution

OpenStudy (anonymous):

thnx : )

OpenStudy (anonymous):

ur welcome

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