" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
2x+y=10
x+y=8
x = 8 - y
2( 8 - y ) + y = 10
16 - 2y + y = 10
y = 6
x = 8 - 6 = 2
2.
3x+2y=9
2x+y=7
y = 7 - 2x
3x + 2( 7 - 2x ) = 9
3x + 14 - 4x = 9
x = 5
y = 7 - 10 = -3
3.
2+5x=26
3x-2y=1
5x = 24
x = 4,8
14,4 - 2y = 1
2y = 13,4
y = 6,7