Answer:
(-7)^(X+1)X*(-7)^7=(-7)^19
(-7)^x*)-7)^8=(-7)^19
(-7)^x=(-7)^11
x=11
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Answer:
(-7)^(X+1)X*(-7)^7=(-7)^19
(-7)^x*)-7)^8=(-7)^19
(-7)^x=(-7)^11
x=11