the value xfor which(7/12)power -4×(7/12)power 3x=(7/12)Power5
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(7/12)^(-4)×(7/12)^(3x) = (7/12)^(5)
(7/12)^(-4+3x) = (7/12)^(5)because If a^(m)×a^(n) = a^(m+n)
As bases are equal powers must be equal
Therefore
-4+3x = 5
3x = 5+4
3x = 9
X=9/3
X=3
(7/12)^(-4+3x) = (7/12)^(5)because If a^(m)×a^(n) = a^(m+n)
As bases are equal powers must be equal
Therefore
-4+3x = 5
3x = 5+4
3x = 9
X=9/3
X=3
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