X - 3 = 7
add 3 to both sides
x - 3 + 3 = 7 + 3
x = 10
addition property of equality
Unless I am misreading, the question, or don't know all of it, there can be an infinite number of similar shapes. Three are give to you at the bottom of this answer, but there are many more possibilities.
Answer:
yes it look right like the one you have to do 2x+5=39
The unit rate is 5cm per 1min
5:1
I believe the answer is “one solution”. I hope this helps :)