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shamil98 Group TitleBest ResponseYou've already chosen the best response.0
I'm guessing you want to solve the system.
 one year ago

shamil98 Group TitleBest ResponseYou've already chosen the best response.0
To do so just add the equations. \[\huge \left(\begin{matrix} x+y = 7 \\ 2xy=8\end{matrix}\right)\]
 one year ago

shamil98 Group TitleBest ResponseYou've already chosen the best response.0
What do you get?
 one year ago

cieracabrera Group TitleBest ResponseYou've already chosen the best response.0
you would get 2x=15 i think cuz you cross out either the x or y
 one year ago

cieracabrera Group TitleBest ResponseYou've already chosen the best response.0
i cross out the y
 one year ago

Hidden_Twilight Group TitleBest ResponseYou've already chosen the best response.0
x+y=7 2xy=8  3x  0 = 15 i though it was supposed to be 3x = 15 also, simplify it by dividing both sides by 3 and you get x = 5
 one year ago

shamil98 Group TitleBest ResponseYou've already chosen the best response.0
Correct, you cross out the y but you forgot to add the x. you get as twilight mentioned 3x = 15 from there you divide by 3 to both sides to get your x value of 5.
 one year ago

shamil98 Group TitleBest ResponseYou've already chosen the best response.0
x + y = 7 5 + y = 7 y = 2
 one year ago

shamil98 Group TitleBest ResponseYou've already chosen the best response.0
(5,2) is your solution set to your system.
 one year ago
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