Makakuha ng mabilis at pangkomunidad na mga sagot sa IDNStudy.com. Magtanong ng anumang bagay at makatanggap ng detalyadong sagot mula sa aming komunidad ng mga eksperto.

19. Which of the following real-life situations does not represent a linear equation in two variables?
a. The sum of twice the number x and four times the number y is 36. b. The number m added to twice the number n is 8.
c. The difference of the ages of Ryan and John equals 25.
d. The product of sand r divided by t.​