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Mathematics 7 Online
OpenStudy (chrisneedshelp):

If the first equation is multiplied by 3 and then the equations are added, the result is _____. 3x + y = 3 x - 3y = -2 a.10x = 11 b.10x = 7 c.8x = 7

OpenStudy (chrisneedshelp):

@surd any idea?

OpenStudy (anonymous):

nah

OpenStudy (anonymous):

i think first 1

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