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ariesdragon20
Group Title
Solve the following system.
x  y = 10
x + y = 8
Answer
(9, 1)
(9, 1)
(1, 9)
(9, 1)
 2 years ago
 2 years ago
ariesdragon20 Group Title
Solve the following system. x  y = 10 x + y = 8 Answer (9, 1) (9, 1) (1, 9) (9, 1)
 2 years ago
 2 years ago

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bahrom7893 Group TitleBest ResponseYou've already chosen the best response.2
Okay this is how u solve systems. First solve one equation for one variable.
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.2
So solve the first equation for x, or y, doesn't matter. Let's solve for x: xy=10 Add y to both sides. What do u get?
 2 years ago

ariesdragon20 Group TitleBest ResponseYou've already chosen the best response.0
x = y + 10
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.2
Correct. Now plug that into the second equation: x + y = 8, but now that u know x, plug that instead of x in here. What do u get?
 2 years ago

ariesdragon20 Group TitleBest ResponseYou've already chosen the best response.0
2y+10=8
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.2
correct. Subtract ten from both sides. What do u get?
 2 years ago

ariesdragon20 Group TitleBest ResponseYou've already chosen the best response.0
y = 1
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.2
awesome. Now plug that back into the equation you had before.
 2 years ago

ariesdragon20 Group TitleBest ResponseYou've already chosen the best response.0
x + 1 = 8 x = 9 danks schun!
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.2
Yup. Your points are given in the form (x; y). Find whichever's yours.
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.2
good job lol.
 2 years ago
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