3^(4x+7)>9^(x-3) 7^(2x)-9×14^(x)-4^x=0

Question

3^(4x+7)>9^(x-3)
7^(2x)-9×14^(x)-4^x=0

Answer 1

3^(4x+7)>9^(x-3)
3^(4x+7)>3^2(x-3)
4x+7 > 2x - 6
2x > -13
x > -6.5