[tex] {5}^{x} = 125 \\ {5}^{x} = {5}^{3} \\ x = 3[/tex]
[tex] \frac{3}{y} = 243 \\ {3}^{y} = {3}^{5} \\ y = 5[/tex]
Maka nilai x + y adalah :
= 3 + 5
= 8 (C.)
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[tex] {5}^{x} = 125 \\ {5}^{x} = {5}^{3} \\ x = 3[/tex]
[tex] \frac{3}{y} = 243 \\ {3}^{y} = {3}^{5} \\ y = 5[/tex]
Maka nilai x + y adalah :
= 3 + 5
= 8 (C.)