SOLUTION: Five times a number is 49 greater than the product of 2 and the opposite of the number. What is the number? I got 9.8 but it was mark wrong.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Five times a number is 49 greater than the product of 2 and the opposite of the number. What is the number? I got 9.8 but it was mark wrong.      Log On


   

Question 892843: Five times a number is 49 greater than the product of 2 and the opposite of the number. What is the number?


I got 9.8 but it was mark wrong.
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
x, "a number".

5x=49%2B2%28-x%29, the exact translation of the description into an equation.

5x=49-2x
5x%2B2x=49-2x%2B2x
7x=49%2B0
7x=49
7x%281%2F7%29=49%281%2F7%29
highlight%28x=7%29