Final answer:
Without knowing the relationship between angles WTX and UV, we cannot determine the value of x from the given angle expressions.
Step-by-step explanation:
To find the value of x when given that m∠WTX = (6x + 3) and m∠UV = (7x − 19)°, we need additional information that relates these two angles. Usually, this would involve knowing if they are complementary, supplementary, or any other relationship that allows us to set up an equation.
However, since the question doesn't provide such information, and the provided reference information does not seem to apply to this question, we cannot determine the value of x without more context or relations between angles WTX and UV.