exam Maths Puzzle Numerical Ability

Hi, can someone help me with this problem?

Solve for x and y: 2x + 3y = 1
5x + 3y = 16

Thanks.

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exam Other Question

Determine the equation of the line passing through the centres of the circles
(x-2)^2+(y+5)^2=16 and 3x^2+3y^2+24x-6y-24=0. the denominator of a fraction is 5 more than the numerator. if 5 is added to the numerator and 2 is added to the denominator, the value of the fraction is 8/9. find the original fraction.