Question

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Answer 1

(-7)^(x+1)x*(-7)^7 = (-7)^19

(-7)^x *( -7)^8= ( -7)^19

(-7)^x =( -7)^11

x = 11

Answer 2

Answer:

(-7)^(X+1)X*(-7)^7=(-7)^19

(-7)^x*)-7)^8=(-7)^19

(-7)^x=(-7)^11

x=11