Translate the Sentence into an Equation, Then Solve $j$ , the Sum Is 12

Multiple Choice

Translate the sentence into an equation, then solve.
-If 4.61 is added to $j$ , the sum is 12.4 .

A) $4.61+j=12.4, j=17.01$
B) $\mathrm{j}+12.4=4.61, \mathrm{j}=-7.79$
C) $j+4.61=12.4, j=7.79$
D) $j+4.61=12.4, j=-7.79$