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Algebra
Question

Section $$6.6$$

21. Solve the following equations using the one-to-one property (get equal bases).

a) $$2 ^ { x + 1 } = 8 ^ { x - 3 }$$

b) $$( \frac { 1 } { 9 } ) ^ { x } = 27 ^ { 2 x - 3 }$$

c) $$\sqrt[ 3 ] { 25 } = 5 ^ { 3 x + 1 }$$