Question

Resolva:

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

Answer 1

2 (x+1)-x=3 (y+2)
2x + 2 - x = 3y + 6
x = 3y + 4

2x-5=4y+4
substituindo:
2(3y+4) - 5 = 4y + 4
6y + 8 - 5 = 4y + 4
6y - 4y = 4 + 5 - 8
2y = 1
y = 1/2

x = 3y + 4
x = 3(1/2) + 4
x = 3/2 + 4
x = 11/2