Question

find x so that

$( - \frac{3}{19} )^{8} \times ( - \frac{3}{19} )^{ - 18} = ( - \frac{3}{19} )^{3 \times 19}$
please answer this question step by step
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Answer 1

=>compare on both sides,

=>8-18=3x-19

=>3x-19+18-8=0

=>3x-1-8=0

=>3x-9=0

=>3x=9

=>x=9/3

=>x=3