# ICSE Class 9 Answered

**solve: 3^x-1x 5^2y-3=225**

Asked by jahnvi | 31 Mar, 2024, 01:10: PM

Expert Answer

3^{(x-1)} × 5^{(2y-3)} = 9 × 25

3^{(x-1)} × 5^{(2y-3)} = 3^{2} × 5^{2}^{ }

By equating power of 3 , (x-1) = 2 or x= 3

By equating power of 5 ; (2y-3) = 2 or y = 2.5

Answered by Thiyagarajan K | 31 Mar, 2024, 02:49: PM

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