Answer:
meeeeeeeeeeee
Step-by-step explanation:
7x+2=23
Move 2 to the other side
7x=23-2
7x=21
To isolate the x divide both sides by 7
x=3
To check plug the value of x back in
7(3)+2=23
21+2=23
23=23
Answer:
x=2; the extraneous root x=42.
All the details are in the attached picture, the answer is marked with red colour.
Answer:
72 / 123 * 100 = 58.53658537 per cent
Step-by-step explanation: