Respuesta :
Answer:
(X=Y)=(3,6)
Step-by-step explanation:
5x-4(4x-6)=-9
x=3
y=4x3-6
y=6
Answer:
1.
Step 1: Flip the equation.
4x−6=y
Step 2: Add 6 to both sides.
4x−6+6=y+6
4x=y+6
Step 3: Divide both sides by 4.
4x
4
=
y+6
4
x=
1
4
y+
3
2
2.
Step 1: Add 4y to both sides.
5x−4y+4y=−9+4y
5x=4y−9
Step 2: Divide both sides by 5.
5x
5
=
4y−9
5
x=
4
5
y+
−9
5