exam Maths Puzzle Numerical Ability

Solve the following equation for y
3* e^(2 y-1) = 4* (x^5)+5

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exam Other Question

The problem is this:
-5 is greater than/equal to x-6 Sally takes out two loans she borrows $800 more from the credit union than the bank. The credit union charges 12% interest, and the bank charges 15% interest. If her interest totals $420 annually, how much did she borrow from both?