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Mathematics 9 Online
OpenStudy (anonymous):

solve for x and y

OpenStudy (anonymous):

x=4y=6 x-3y=4

OpenStudy (nehemias123):

x=4y=6=0 x-3y=4=8

OpenStudy (nehemias123):

you got it

OpenStudy (anonymous):

what is y

OpenStudy (nehemias123):

the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept, where the line crosses the y-axis.

OpenStudy (nehemias123):

you got it

OpenStudy (anonymous):

yeah thx

OpenStudy (nehemias123):

ok

OpenStudy (xapproachesinfinity):

you mean x+3y=6 x-3y=4

OpenStudy (xapproachesinfinity):

x+4y=6 for the first

OpenStudy (xapproachesinfinity):

this a system of equations you need substitution method or any other methods you studied

OpenStudy (xapproachesinfinity):

x+4y=6 x-3y=4 i would multiply the second equation by -1 to get -x+3y=-4 then i add the two equation together x+4y=6 -x+3y=-4 ======= 0+7y=6-4 7y=2 y=2/7 we found what y is ne need x we use the first equation to find x x+4(2/7)=6 do the rest

OpenStudy (anonymous):

thx u

OpenStudy (xapproachesinfinity):

you still need to find x! solve for x in x+4(2/7)=6 ========== Welcome!

OpenStudy (anonymous):

i can do the rest of it looks easy

OpenStudy (xapproachesinfinity):

okay

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