exam Maths Puzzle Numerical Ability

Please help me with this problem am having lots of problems with math especially graphing. Thank you.

Solve the system by graphing.
3x + y = -1
9x + 3y = -3

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exam Other Question

A is eleven times as old as B. in a certain number of years, A will be five times as old as B, and in five years after that she will be three times as old as B. how old are they now. graph the equation
y=x+1