Answer:
-2x/7-x
Step-by-step explanation:
(4x-42)/7-x + 6/1 (7-x)=(4x-42+42-6x)/7-x=-2x/7-x
6x
7x-42/7- x + 6
Divide the numbers 42 ÷ 7 = 6
= 7x - 6 - x + 6
Group the like terms
7x - x - 6 + 6
Add similar elements 7x - x = 6x
6x - 6 + 6
-6 + 6 = 0
=6x
