exam Maths Puzzle Numerical Ability

Can you please provide assistance in creating the equation for this problem and also show how to solve this word problem.

Problem: Edmund is 3 years older than Frank. The sum of their ages is nineteen years. How old is each one?

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exam Other Question

Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.

2x+3y=1

5x+3y=16 What is the image of x^2+y^2=1 under the mapping rule (x,y)--(3x+2,3y-5)? I think the answer is 1/3(x-2)^2+1/3(y+5)^2=1 . Can someone PLEASE help me?