A) {2 − 3 + = 8 3 + − 2 = 3
4 − 6 − 7 = 7

b){2 + 3 + = 0
+ 2 − = 0
2 + + = 1

c) { + 2 + 2 = 1
3 + + 2 = 5
4 + 3 + 3 = 8

d) { + − 5 = 3
− 2 = 1
2 − − = 0

resolver ecuaciones por el método gauss

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?