exam Maths Puzzle Numerical Ability

I am not sure the answer to this question.
The problem is...if (x+yi)/(1+i)=(7)/(7+y), where x and y are real, what is the value of x+y?

I got 202i+346
I am not sure if that

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exam Other Question

you want to buy a new sports car from Muscle Motors for $48,000. The contract is in the form of a 60-month annuity due at a 7.45 percent APR. What will your monthly payment be? find the point (x,y),that maximizes P subject to the following constraints P=3x+2y


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Q 37