Question

solve for x. a) 27^5x+4=9^x-12 b) 4^x+2=24

Answer 1

i would try and change to the same base first

Answer 2

a) 3^3(5x+4) = 3^2(x-12)
so 3(5x+4) =2(x-12) etc

Answer 3

wow, nice job mathwiz you can defnintly solve these kinds of problem

Answer 4

in the 2n one 4^(x+2) = 24??

(x+2) ln 4 = ln(24)

x+ 2 = ln(24)/ln4
x= -2 + ln(24)/ln(4)

Answer 5

unless u made a typo ... can't convert the 24