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Mathematics 21 Online
OpenStudy (anonymous):

solve using addition method 3x-4y=11 2x+3y=-4 @nincompoop

OpenStudy (anonymous):

okay so add together each term that is the same. Like 3x+2x

OpenStudy (anonymous):

tell me what you get after you add all the numbers together

OpenStudy (anonymous):

well -4 + 3 is not +1 it is -1 so y is not positive it is negative. 5x-y=7

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