book Maths Puzzle Numerical Ability

12y+3-9=12y-36 cant figure out how to do this kind of problem can you help

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I need help with a question, Find the value of y in the equation

3
---- =8
y-2

I think the answer is y= 1 5/8

Am I right, Can someone please let me know? Solve the following simultaneous equation:

r^2 + s - 7 = 0; r - s = 5

Please show any working out and thank you in advance for your help