Question

Alguem me ajuda com Sistemas pf!

A) 3x+5y=10
--- 2x+3y=6

Answer 1

3x + 5y = 10     *(2)

2x + 3y = 6       *(-3)

6x + 10y = 20

- 6x - 9y = - 18

y = 2

6x + 10y = 20

6x + 10*(2) = 20

6x + 20 = 20

6x = 20 - 20

6x = 0

x = 0/6

x = 0

( 0, 2)