The correct answer is Choice A.
Add the two equations to eliminate a term and solve for a variable.
Alternatively, make $x$ the subject in the first equation and then substitute it into the second equation to find $y$.
Choices B, C, and D are incorrect and may result from algebraic mistakes.
✨ Expert's Tip ✨
Always substitute expressions with the parentheses to avoid algebraic mistakes.
An alternate method is to plot both lines on a graph and find the intersection point.