exam Maths Puzzle Numerical Ability

Solve for y:
2x-3y=12

This is what I got:
3y=12-2x
y=12-2x over
3
y=2-4x over
3

Read Solution (Total 0)

exam Other Question

I am having difficulty setting up this word problem. If a taxi charges .50 for the first 1/5 of a mile, and .20 for every 1/10 of a mile after that, how much would it cost to go 2 miles? can you help me to solve for x in terms of y and solve for y in terms of x for the following equation.
3y^2+4xy-9y^2=-1

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