exam Maths Puzzle Numerical Ability

Can someone help me on this problem?

I need to solve the following equation for x, and show proof:

2(x-3) - 3(x + 5) = 3(x-2) - 7

Thanks,
Ashley

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exam Other Question

Could you please help me with this problem:
(3-5i)-(2-7i) Write the expression in the form a+bi, where a and b are real numbers. Thank you! (18x^2y^3+12x^4y^2-15xy^4)/3x^2y

Please expand and simplify the above expression.

Thank you.