(-2/7)⁴÷ (-2/7)³=(-7/2)x
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(-2/7)⁴÷ (-2/7)³=(-7/2)x
(-2/7)^4-3 =(-2/7)^-x
=>4-3=-x
1=-x
x =-1
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sorry Galti se forever Likha
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