SOLUTION: 3x to third power - 2x + 7y x = -3 y = -7

Algebra ->  Exponents -> SOLUTION: 3x to third power - 2x + 7y x = -3 y = -7      Log On


   



Question 315114: 3x to third power - 2x + 7y x = -3 y = -7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Substitute the values in the expression and simplify.
3x%5E3-2x%2B7yx=3%28-3%29%5E3-2%28-7%29%2B7%28-3%29%28-7%29
3x%5E3-2x%2B7yx=-81%2B14%2B147
3x%5E3-2x%2B7yx=80