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Mathematics 15 Online
OpenStudy (jjuden):

How many solutions are there to the following system of equations? 3x – 9y = 0 –x + 3y = –3

OpenStudy (jjuden):

a 0 b 1 c 2 d infinitely many

OpenStudy (cloverracer):

is this from connections academy? (:

OpenStudy (jjuden):

no

OpenStudy (jjuden):

k12

OpenStudy (raffle_snaffle):

go for loser66

OpenStudy (raffle_snaffle):

Okay we can solve this a few different ways. We need to first take one of the equation and solve for either x or y.

OpenStudy (jjuden):

ok

OpenStudy (raffle_snaffle):

So which equation would you like to start with?

OpenStudy (jjuden):

the first one

OpenStudy (raffle_snaffle):

|dw:1387062821978:dw| which variable would you like to solve for y or x?

OpenStudy (jjuden):

x

OpenStudy (raffle_snaffle):

okay so solve for x by isolating it on one side of the equals sign

OpenStudy (jjuden):

ok

OpenStudy (raffle_snaffle):

|dw:1387063064725:dw|

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