Answer:
x = 33 - 2/3 y
Explanation:
The sum of the interior angles of a triangle is 180
2y + 6 + 3x + 75 = 180 Combine like terms
2y + 3x +81 = 180 Subtract 2y from both sides
3x + 81 = 180 -2y Subtract 81 from both sides
3x = 99 -2y Divide by 3
x = 33 - 2/3y