Latest exam Aptitude Question SOLUTION: x+5y=10 -2x-10y=-20 5y=x+10 divide by 5, each side y=x+10/5 y=x/5+10/5 Problem with LCM I then plug y into next equation -2x-10(y equation)+ -10 (y equation)=-20 Need help to ma

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(#M40141026) EXAM Numerical Ability question Keep an EYE

x+5y=10
-2x-10y=-20

5y=x+10
divide by 5, each side
y=x+10/5
y=x/5+10/5
Problem with LCM
I then plug y into next equation
-2x-10(y equation)+ -10 (y equation)=-20
Need help to make sense out of LCM to finish problem

Asked In exam (9 years ago)

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