Obviously, a calculator cannot be used.

1)2) 9^x + (4)3^+x - 3 = 0Code:3x^2 + 12x - 18 ------------------- = 0 x + 7

3) 5^x = 4^x+5

4) 2log7(x+6) - log7(x+5) = 2 (the 7's are the log base)

5) log8(e^x+4) = 2 (8is the log base)

Rep and thanks to anyone who will solve these!