pre algebra
posted by Amber shall .
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?

2x8=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. 
The product that is twice a number and 5 isthe same as the difference of nine timesthe number and5/3.find the number
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