Question

3 to the power 5-x ×3 to the power 2x+3 =3 to the power-9 find the value of x

Answer 1

Answer:

3^(5-x)×3^(2x+3)=3^(-9)

3^(5-x + 2x+3)= 3^(-9)

5-x+2x+3= -9

8+X= -9

x=-9-8

x= -17