exam Maths Puzzle Numerical Ability

i need some help solving this equation and if possible expressing my answer as an ordered pair

2x-4y=8
x-2y=4

thank you

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exam Other Question

How can I solve 2/3[ln(x^2-9)-ln(x+3)]+ln(x+y). This is a hard equation for me. Please help! I am having problems figuring out what the absolute value is for this problem: Solve by first writing the inequality in the form absolute value of w > a, where a>0, 2/3 absolute value x-4+4>9-1/2 absolute value of x-4.