Gal101rose Gal101rose

14-04-2017
Mathematics

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3x+y=-14
-2x-y=9
Elimination addition

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H1a2r3s4h5 H1a2r3s4h5

14-04-2017

3x+y=-14
-2x-y= 9
________
x=-5
Putting the value of x in any equation
For ex. 3(-5)+y=-14
-15+y=-14
y=-14+15
y=1
So x=-5 and y=1

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