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Mathematics 7 Online
OpenStudy (makuza123):

can someone help me on this question? If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation? 3x+6y=9 2x-10y=13

OpenStudy (vijeya3):

You want the explanation or just the solution?

OpenStudy (makuza123):

both plz

OpenStudy (makuza123):

or solution. that's fine too

OpenStudy (vijeya3):

Alright!:) In the substitution method,firstly we take any one equation first Then we express variable in terms of the other.Does this make sense to you?

OpenStudy (makuza123):

kinda. so, what's the solution?

OpenStudy (vijeya3):

alright,I'll write the solution for ya directly:)

OpenStudy (makuza123):

plz

OpenStudy (vijeya3):

|dw:1458914113308:dw| Place this value of x in the second value and solve for y first.Can you do that?

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