Answer:
Step-by-step explanation:
5x -x + 3x =30, first you combine like terms 5x + 3x-x=30
8x-x =30
8-1=7
7x=30
The answer to your question is the first option! Hope this helps. God bless
That is your answer if it is wrong i will try to fix it
Answer:
D, John did not make a mistake!
Step-by-step explanation: