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