Translate the Sentence into an Equation, Then Solve $w$ And 31 Yields 4

Translate the sentence into an equation, then solve.
-The difference between $w$ and 3.1 yields 4.3.

A) $3.1-\mathrm{w}=4.3, \mathrm{w}=7.4$
B) $\mathrm{w}-3.1=4.3, \mathrm{w}=7.4$
C) $\mathrm{w}-3.1=4.3, \mathrm{w}=1.2$
D) $3.1-\mathrm{w}=4.3, \mathrm{w}=1.2$