exam Maths Puzzle Numerical Ability

i need help with this 2g[h-g/gh-j

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exam Other Question

7-(-y-5)= 2(y+3)-6(y+1)

want to know if I should distributive only the neg. sign to the -y or the 7
at the beginning of the problem, I came up with 5 over 11y
but text book states -12 over 5
can u give me the solution to this problem, Thanks.

Perform the indicated operations

-9 and 1/2 divided by 3 and 1/6