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Mathematics 22 Online
OpenStudy (cherry17ann):

4-Step Equation w+x+y+z=6 3w-x+y-z=-3 2w+2x-2y+z=4 2w-x-y+z=-4

OpenStudy (alivejeremy):

o.o

563blackghost (563blackghost):

Sorry only know how to do with 3 variables and equations :(

OpenStudy (cherry17ann):

Me too:(

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