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Mathematics 8 Online
OpenStudy (anonymous):

please help

OpenStudy (anonymous):

OpenStudy (anonymous):

insert y=3x-4 in for the y varible in -3y=-9x+12

OpenStudy (anonymous):

so a?

OpenStudy (anonymous):

no, not yet, cmon, do the equation here so i can check u.

OpenStudy (anonymous):

i don't know how

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

y=3x-4, put that in the second equation where y is like this. -3+3x-4=-9x+12

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

now do the math

OpenStudy (anonymous):

IDK HOW

OpenStudy (anonymous):

man, i can't do it all for you, go back and re read the lesson

OpenStudy (anonymous):

i'm not here to give you answers, i'm here to help you help yourself

OpenStudy (anonymous):

just walk me though the steps

OpenStudy (anonymous):

ok, simplify this, -3+3x-4=-9x+12

OpenStudy (anonymous):

6?

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

no, watch

OpenStudy (anonymous):

combine -3 and -4 so 3x-7=-9x+12

OpenStudy (anonymous):

ok thats -4,8

OpenStudy (anonymous):

now isolate the x variables on one side.

OpenStudy (anonymous):

thats 11

OpenStudy (anonymous):

hang on,

OpenStudy (anonymous):

3x+9x=7+12=

OpenStudy (anonymous):

thats 31?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

OMG SCREW IT IM GOING WITH D

OpenStudy (anonymous):

3x+9x=12x and 12+-9=3

OpenStudy (anonymous):

so we have 12x=3

OpenStudy (anonymous):

i already picked d

OpenStudy (anonymous):

now just simplify

OpenStudy (anonymous):

it doesnt matter

OpenStudy (anonymous):

well, thanx for throwin away my time.

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