Question

*Sistemas* *De* *Ecuaciones*
resolver
•{2x+Y=-10
{x-3Y=2

•{2m-5m=14
{5m+2m=-23​​

Answer 1

1.

$x = 2 + 3y \\ 2(2 + 3y) + y = - 10 \\ 4 + 6y + y = - 10 \\ 7y = - 14 \\ y = - 2$

2.

$(2m - 5m) + (5m + 2m) = 14 + ( - 23) \\ 9m - 5m = 14 - 23 \\ 4m = - 9 \\ m = \frac{ - 9}{4}$