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MathNet 2021 — Part 08 Question 61

Math Olympiad Vault · MathNet 2021 — Part 08

Question 61

The equations
$$
(y+3)^2-x(x-4)=7+(y-x)(y+x)
$$
and
$$
x+\frac{y-1}{2}=\frac{x}{2}-y
$$
are given.

Part a. Solve the system and represent its solution as a point $A$ in the coordinate plane.

Part b. Write, in slope-intercept, general, and intercept form, the equation of the line through $A$ that has the same $x$-intercept as the line $3x+2y-15=0$.