Question

a)x+y=13
x-y=-3

b)3x+2y=14
x-2y=2

c)2x+3y=15
5x-3y=6

d)x+y=-1
3x+2y=1

e)2x+3y=26
3x-2y=26

f)2x+y=18
x-3y=-19

g)5x+y=62
2x-3y=18

h)3x4y=14
6x-y=-10

i)5x+2y=33
3x=y

j)4x+3y=31
2x-5y=-43

k)2x+3y=9
5x-8y=38
​

Answer 1

Resposta:

12y=24 (doze y é igual a vinte e quatro