Question 664923
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Hi,
substitution method
x+4y=0    0r  {{{x = -4y}}}
5x-2y=2
{{{5*-4y-2y = 2}}} , -22y = 2,  y = -1/11   and x = 4/11

Checking Using the elimination Method
5x-2y=2     |||Multiply 1st Eq thru by 2 and add to the 2nd EQ to eliminate y
<u>x+4y=0</u>
 11x = 4
   x = 4/11  and y = -1/11