Question

Tolong no 14 dengan caranya y!

Answer 1

X = -5
y = 3
c = -5.3 = -15
penyelesaian
x+y = c
-5x+3y = -15
x = -15/-5
x = 3

y = -15/3
y = -5

jadi, x+y = c
= 3x + (-5y) = -15
= 3x - 5y = -15 (c)
mf klw slh