Question

7x – 3y = 20
y = 5x – 4
x =
y =​

Answer 1

x=1.25

y=2.25

Step-by-step explanation:

7x-3y=20 , you plug in y=5x-4 for why in the previous equation , then after distributing and adding/subtracting like terms you get x by itself then solve. After finding x go back into the equation and plug in x and solve for y.