Bjorn is thinking of a number. He has worked out that if he doubles the number and subtracts 8 it will equal the same as the sum of the number and 7. What was the original number that Bjorn was thinking of?
Let x represent the original number that Bjorn was thinking of.
Convert the word problem into an algebraic statement:
(x x 2) - 8 = x + 7
Then check your answer.
The number Bjorn was thinking of was _________