exam Maths Puzzle Numerical Ability

Please help me reduce this equation to the lowest terms:

(w+3/2w+1 - 2w) / (w-1/2w+1+2w)

Thanks!

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exam Other Question

4xsquared - 2xsquared + (-8xsquared) Write the equation of the line using this information

a ) slope=2, y-intercept 0
b) slope 6, passing through (-4,7)

please help me with this equation

Thanks