exam Maths Puzzle Numerical Ability

What should i do for this problem: Line through (1,-3) parallel to 2x-3y=7

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exam Other Question

Verify the identity help needed?


sinx+siny/sinx-siny= tan(x+y/2)cot(x-y/2)
I need some assistance, please show me how to graph this equation.

4x-1=3x+15