brainster brainster

06-12-2014
Mathematics

contestada

y=2x-10
2y=x-8
substitution

Respuesta :

ollieboyne ollieboyne

06-12-2014

y=2x-10

2y = x - 8
2(2x-10) = x - 8
4x - 20 = x - 8
3x = 12
x=4

If x=4,

y = 2x-10
y = 2(4)-10
y = -2

So x=4, y=-2

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