Respuesta :

Answer:

x=

−49/4y−20

Step-by-step explanation:

Let's solve for x.

−4x−49y−80=0

Step 1: Add 49y to both sides.

−4x−49y−80+49y=0+49y

−4x−80=49y

Step 2: Add 80 to both sides.

−4x−80+80=49y+80

−4x=49y+80

Step 3: Divide both sides by -4.

−4x

−4

=

49y+80

−4

x=

−49

4

y−20