Question

5×+2(y-1)=-3 3×-3 (2-y)=-3 sustitución ecuaciones ​

Answer 1

Explicación paso a paso:

5x+2y-2=-3

3x-6+3y=-3

5x+2y= -1

3x+3y= 3

5x+2y= -1

3x+3y= 3

x= (-1-2y)/5

3(-1-2y)/5+3y=3

(-3-6y)/5+3y=3

-3-6y+15y=15

-3+9y=15

9y=18

y=2

5x+2y= -1

v5x+4= -1

5x= -5

x= -1