Answer:
C) Infinitely many
Step-by-step explanation:
7x+3-x=3(1+2x)
6x+3=3+6x
Subtract 3 from both sides
6x = 6x
Infinitely many solutions
Divide by 3.
There are 3 feet in a yard. For each yard, there are 3 feet.
What kind of operation is this ? it just says x and a nine.