Question

S.O.S URGENTE!!!!! PARA AMANHÃ

c) {16r+2s=-10
{ -16r+s=13

Answer 1

(I) + (II) para 0r

2s +s = -10 +13

3s = 3

s = 1

16r +2(1) = -10

16r = -12

r = -3/4

{1 , 3/4}