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brandoduh
 3 years ago
Solve using substitution
2x=y+9
5y=10x45
brandoduh
 3 years ago
Solve using substitution 2x=y+9 5y=10x45

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lgbasallote
 3 years ago
Best ResponseYou've already chosen the best response.0if 2x = y + 9 then let y = 2x  9 make sense?

gypsi
 3 years ago
Best ResponseYou've already chosen the best response.1find one variable, either x or y, first

gypsi
 3 years ago
Best ResponseYou've already chosen the best response.1so if you get x alone for one equation, you then replace what you get into the second equation and solve for y

brandoduh
 3 years ago
Best ResponseYou've already chosen the best response.0so i mutiply 10x on all 3 of the first equation?

brandoduh
 3 years ago
Best ResponseYou've already chosen the best response.0to subtract it with the other equation?

gypsi
 3 years ago
Best ResponseYou've already chosen the best response.1are you trying to solve it by elimination?

gypsi
 3 years ago
Best ResponseYou've already chosen the best response.1if you get Y alone in the first equation it would be what the first person said y=2x9 then you substitute the 2x9 into the second equation getting 5(2x9)=10x+45

brandoduh
 3 years ago
Best ResponseYou've already chosen the best response.0oh i kinda get it. then you multipy 5 on the parantesis

brandoduh
 3 years ago
Best ResponseYou've already chosen the best response.0than you add like terms?

gypsi
 3 years ago
Best ResponseYou've already chosen the best response.1both sides equal each other if you combine like terms you get 0=0

brandoduh
 3 years ago
Best ResponseYou've already chosen the best response.0:o o? wow. now i have to solve the other 1

gypsi
 3 years ago
Best ResponseYou've already chosen the best response.1good luck! hope it helped.

brandoduh
 3 years ago
Best ResponseYou've already chosen the best response.0its sure did friend=)
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