X+y = 15 , x-y = -7 eliminasi nya yaa makasih
Matematika
FranzMichael
Pertanyaan
X+y = 15 , x-y = -7 eliminasi nya yaa makasih
1 Jawaban
-
1. Jawaban hellal78
x + y = 15
x - y = -7
________ +
2x = 8
x = 8/2 = 4
x + y = 15
4 + y = 15
y = 15 - 4 = 11