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anonymous
 one year ago
Solve the system of equations.
x + 3y = −1
2x + 2y = 6
anonymous
 one year ago
Solve the system of equations. x + 3y = −1 2x + 2y = 6

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You can solve it by elimination

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0double the top equation so 2x+6y=2 now subtract the second equation from that to only have y in the equation and solve for y, then apply the y value to any of the first 2 equations to solve for x.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You can divide the second equation by 2 x cancels and you have y= 4 plug in y to find x

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and you have solved through elimination

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thats new, I don't think I have actually ever used division for elimination in simultaneous equations **

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.0division is just multiplying by a reciprocal.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0When I noticed that I become a lot faster in arithmetic, breaking down numbers into its factors for easier mental maths
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