exam Maths Puzzle Numerical Ability

y varies directly to x y=-9 and x=-12 if x=2 what does y=

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exam Other Question

How would you solve the equation 2a-6=-a? hey, i need help solving the following equations and expressing my answer as an ordered pair if possible

x-5/3y=7
4/7x+y=-13/7

thanks in advance for your help!