exam Maths Puzzle Numerical Ability

when you have a equation that has a radical on the bottom of the fraction you are not suppose to have radicals on the bottom of the equation so how would you solve a problem like that?

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I am having problems with the following system of equations. The elimination method is supposed to be used, and the solution is to be in the form of integers or fractions.

.03x-0.2y=4
.04x+0.5y=63/19

Thanks!

Stephanie 2abs[{{2t-5}/3} -3>=5] Note: { } are used to denote fractions. Please help. Thankx.