Question

Me ajudem na b e na c

Answer 1

b) x = 6- y
2(6-y) + y = 4
12 - 2y + y = 4
8 = y
x = -2

c) y = 5-3x
2x + 5 - 3x = 4
1 = x
y = 2

Answer 2

Se nn entender algo me pergunte