Question

2x+5y=12
4x+3y=-4

solve using substitution method ​


please help me

Answer 1

Answer:

x is -4 and y is 4

Step-by-step explanation:

the answer is in the attachment

Answer 2

Answer:

x=-4. y=4

Step-by-step explanation:

2x+5y=12

2x=12-5y

x=12-5y

2. -----1

4x+3y=-4

Substituting 1

4(12-5y) +3y=-4

2

2(12-5y)+3y=-4

24-10y+3y=-4

-7y=-28

y=4

x=12-5*4

2

=12-20

2

=-8/2

=-4