Question

1.{3x-4+-2y-5
{x+3+3y=3y-9



2.{x=y+1
{5x-4y=2*(y+1)

Answer 1

1.{3x-4+-2y-5
{x+3+3y=3y-9
x+3+3y-3y+9=0
x+12=0
x=-12
3*(-12)-4-2y-5
-40-2y-5=0
-2y=45/(-2)
y=22,5

x=-12
y=22,5

x=y+1
{5x-4y=2*(y+1)
5*(y+1)-4y=2y+2
5y+5-4y-2y-2=0
-y=-3/(-1)
y=3
x=3+1
x=4

x=4
y=3