When twice a number is decreased by 8, the result is the number increased by 7. How would you solve it and check answer into the original problem?

Answer 1

2x-8=x+7

you solve for x. THen,when you have x (the number), you go back and put it in the original equation above and see if both sides are equal.

Answer 2

The product that is twice a number and 5 isthe same as the difference of nine timesthe number and5/3.find the number