Try another version of this question Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Translate and solve: the sum of `a` and `7.8` is `3.9`
Translation:
`a` =
Be sure your variables match those in the question `a + 7.8 = 3.9`
Enter DNE for Does Not Exist, oo for Infinity -3.9