For all integers a and b, a%b = (a + b)(a -…

For all integers a and b, a%b = (a + b)(a - b). If 7%x = 13, then which of the following could be a value of x?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #32724