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Mathematics 8 Online
OpenStudy (anonymous):

3x+4y=9 y=3-3x

OpenStudy (jessiegonzales):

solving for x?

OpenStudy (anonymous):

I need the solution identified if any for 3x+4y=9 y=3-3x

OpenStudy (anonymous):

well if i want to find that answer i would use the substitution method. 3x + 4(3-3x)=9 3x + 12 - 12x = 9 -9x + 12 = 9 -9x = -3 x = 1/3 then just plug in the 1/3 into the x and then find the y

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