" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3x+2y= -6 |x3
4x-6y= -34
9x+6y= -18
_________ +
13x = -52
x= -4
2(-4)-3y= -17
-8+17=3y
y=3
x+y = -4+3 = -1 (b)