Question

x ( -1 -3 c), y ( -5 b -2) x-y ( a 2 3) determine a soma de a+b+c

Answer 1

X ( -1 -3 c), y ( -5 b -2)  x-y ( a 2 3)
 -1-(-5) = a
a = -1+5
a=4

-3-b =2
b=-3-2
b=-5

c-(-2) = 3
c= 3+2
c=5

R: A=4, B=-5 e C= 5