Question

сколько будет если
-8/9x=8/9

Answer 1

х=8/9 : (-8/9)
х=8/9 * (-9/8)
х= -1

Answer 2

8^(9-x)=64^x2^(3(9-x)) = 2^6x 2^(27-3x) = 2^6x 2^27 / 2^3x =2^6x2^27 = 2^6x * 2^3x2^27 = 2^9x27=9xx=3