SOLUTION: 7^-x+8=15^-2x

Question 927691: 7^-x+8=15^-2x
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
7^-x+8 = 15^-2x
there are two formulas here
1) y = (7^-x)+8
2) y = 15^-2x
graph the two equations and we find that they intersect at x approx -0.43
red is 1 and green is 2

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