How would I solve the equations: y = x-4 and y=x^2-4x using substitution

Question

asked Oct 16, 2019 199k views

1 Answer

Marsze · Answer 1 · 2019-10-23T02:33:41+0000

Answer:

x = 6

Step-by-step explanation:

y = x - 4

26 = 4x + y

If y = y, then we can rewrite this system as this: 4x + x - 4 = 26

Then we combine like terms and add 4 on both sides to give us 5 x = 30 . Divide by 5 on both sides and we arrive at the solution: x = 6