1.

(-3/11)^(x %2B 5)/(-3/11)^(-3*x %2B 3)=((-3)/11)^(-2*(x %2B 4))*((-3)/11)^(2*x - 5)

Answer»

(-3/11)^x+5 ÷ (-3/11)^-3x+3 =(-3/11)^2x-5 * (-3/11)^-2(x+4)

(-3/11)^[x+5-3x+3] = (-3/11)^[2x -5-2x-8]

8 - 2x = - 13

2x = 21

x = 21/2 = 10.5

10.5.



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