" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x - y = 8 | | 8*3 - 27*(-1) = 24 - (-27) = 51 = 3...... maka x = 3
2x + 3y = 27 | | 5*3 - (-1)*2 15 - (-2) 17
2. cari nilai y dengan mensubtitusi x kesalah satu persamaan
5x - y = 8
5(3) - y = 8
15 - y = 8
maka y = 7
(3,7)