malovech9hefoothom malovech9hefoothom

14-01-2017
Mathematics

contestada

x + y = 6
2x + y = 4
Solve the system of equations.

(-2, 8)
(2, -8)
no solution
coincident

Respuesta :

kaivalyashenoy kaivalyashenoy

14-01-2017

x+y=6
2x+y=4
solve the both
x+y=6
- (2x+y=4)
-x = 2
x=-2
substitute the value of x in x+y=6
-2+y=6
y=6+2
y=8
therefore the answer is (-2,8)

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