Question

Resolva os seguintes sistemas na forma conveniente

A) {x-y=1
{x+y=9

B) {x+y=8
{x-y=2

C) {x+y=4
{2x-y=5

D) {3x-y=42
{4x-5y=2

E) {x+3y=1
{5x+3y=14

F) {x-2y=7
{3x+y=35

Answer 1

A)5,,,,,B)5,,,C)3,,,D)60,,,E)y=3/4,,,F)Y)=2