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tena32
Group Title
2x+8y=2
2x4y=6
solve by using elimination by addition or subtraction
 2 years ago
 2 years ago
tena32 Group Title
2x+8y=2 2x4y=6 solve by using elimination by addition or subtraction
 2 years ago
 2 years ago

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Hunus Group TitleBest ResponseYou've already chosen the best response.1
\[2x+8y=2\] \[2x4y=6\] adding the second equation to the first yields \[2x2x+8y4y=2+6\] \[4y=8\] \[y=2\] \[2x+8(2)=2\] \[2x=14\] \[x=7\] Thus \[y=2\] \[x=7\]
 2 years ago

tena32 Group TitleBest ResponseYou've already chosen the best response.0
where did you get 14?
 2 years ago

Hunus Group TitleBest ResponseYou've already chosen the best response.1
\[2x+8(2)=2\] \[2x+16=2\] \[2x+16 16=2 16\] \[2x+16=2\] \[2x=14\] \[x=7\]
 2 years ago

tena32 Group TitleBest ResponseYou've already chosen the best response.0
oh i see i didnt take that extra step
 2 years ago
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