Question

Which of the following ordered pairs is a solution to the system of linear equations below?
{2x+y=2 x-4y=10}


a- (2,-2)
b-(0,1)
c-(2 4/7, -3 1/7)
d-(-2,6

Answer 1

solve the equations, simultaneously..

and find x & y...

Answer 2

@Ganpat check it there is typo.

Answer 3

i do not know why this guy is asking same question multiple times .
http://openstudy.com/study#/updates/5018c79ee4b04dfc808c8050

Answer 4

so y = -2 from the picture..

and substitute this in any of the equation..

2x + (-2) = 2
2x - 2 = 2
x = 2