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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