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Mathematics 23 Online
OpenStudy (girlgoyleh.):

system of equations help please??

OpenStudy (alexandervonhumboldt2):

whats the system?

OpenStudy (girlgoyleh.):

y=2x=6 3x-y=6

OpenStudy (alexandervonhumboldt2):

so y=2x+6 maybe?

OpenStudy (alexandervonhumboldt2):

how 2=2x=6?

OpenStudy (girlgoyleh.):

i know how to do it but towards the end, i just get lost

OpenStudy (girlgoyleh.):

okay so this is what i did

OpenStudy (alexandervonhumboldt2):

ok i'll help let me knoe are you sure that it is y=2x=6 not y=2x+6 oy y+2x=6

OpenStudy (alexandervonhumboldt2):

= sing is starnge because it is 2 times

OpenStudy (girlgoyleh.):

yep this is the equation:y=2x+6 3x-y=6

OpenStudy (alexandervonhumboldt2):

ok so then 3x-(2x+6)=6 substitue y for y

OpenStudy (alexandervonhumboldt2):

3x-3x-6=6 0=0

OpenStudy (girlgoyleh.):

0 is y?

OpenStudy (alexandervonhumboldt2):

there is an infinite number of solutions

OpenStudy (alexandervonhumboldt2):

as 0=0 is alsways

OpenStudy (girlgoyleh.):

but that isnt a choice, i have to type in my numbers for the answers

OpenStudy (alexandervonhumboldt2):

oklet me check

OpenStudy (alexandervonhumboldt2):

oh yes so 3x-(2x+6)=6 substitue y for y

OpenStudy (alexandervonhumboldt2):

3x-2x-6=6

OpenStudy (alexandervonhumboldt2):

x=0

OpenStudy (alexandervonhumboldt2):

x=0 y=6

OpenStudy (alexandervonhumboldt2):

(0, 6)

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