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Mathematics 9 Online
OpenStudy (narissa):

help

OpenStudy (jango_in_dtown):

Hi/@narissa

OpenStudy (narissa):

evaluate 2(3x-y)a)x=10 y=-3 b)x=-3 y=10 c)x-3 y=-10

OpenStudy (narissa):

have to evaluate using each a,b,c

OpenStudy (jango_in_dtown):

2(3x-y)a)x ???

OpenStudy (narissa):

the expression is 2(3x-y)

OpenStudy (narissa):

and for a) x=10 y=-3

OpenStudy (narissa):

b) x=-3 y=10

OpenStudy (narissa):

c)x=-3 y=-10

OpenStudy (jango_in_dtown):

ok so first one we have x=10 y=-3 so 2(3x-y)=2(3*10+3)=66

OpenStudy (jango_in_dtown):

for the second problem we have) x=-3 y=10 so 2(3x-y)=2(-9-10)=-38

OpenStudy (jango_in_dtown):

for the third problem we have x=-3 y=-10 so 2(3x-y)=2(-9+10)=2

OpenStudy (narissa):

thanks so much i will be posting more seperately do u want me to tag u i will medal u for each one

OpenStudy (jango_in_dtown):

ok//:)

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