Question

x - 9y = -7
x + 3y = 5
x=?
y=?​

Answer 1

Explicație pas cu pas:

x-9y=-7

x+3y=5

________

/ -6y=-2/:(-1)

6 y=2

y=2/6

y=1/3

x+3y=5

x+3•1/3=5

x+1=5

x=4

sper ca te am ajutat