Answer:
The number is 1/5.
Step-by-step explanation:
x-(-5x)=x+1
x+5x=x+1
6x=x+1
6x-x=1
5x=1
x=1/5
Combining like terms on the left-hand side gives us Adding 10 to both sides gives and dividing both sides by 5 gives our answer of
12 cm of coastline
Multiply the years (factor) by the receding amount, 3cm, (constant) BAM answer.
so I think 37\12 is the answer to this question