Question

x-2y=10
3x-6y=20


con los 4 pasos porfa ayuda​

Answer 1

3x-6y=20

3×=20-6y

$x = \frac{20 -6 y}{3}$

x-2y=10

$\frac{20 - 6y}{3} - 2y = 10$

$\frac{20 - 6y - 6y}{3} = 10$

$20 - 12y = 30$

20-30=12y

-10=12y

-10÷12=y

-5/6=y

×-2y=10

x-2(-5/6)=10

×+10/6=10

$\frac{6x + 10}{6} = 10$

6x+10=60

6×=50

×=50/6

×=25/3