If (x, y) is a solution to the system of equations, what is the value of x?

5
2
x + y = 2
x +
2
3
y = 4

A) 4
B) -4
C) 12
D) -12

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.