Gal101rose
Gal101rose
14-04-2017
Mathematics
contestada
3x+y=-14
-2x-y=9
Elimination addition
Respuesta :
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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