Question

-3(8-5)-(-7)
-3(3)? -(-7)
-3(9)-(-7)
27-(-7)
34
What was Huda's error?​

Answer 1

QUESTION

-3(8-5)-(-7)

-3(8+5)-(-7) (subtract+subtract=addition)

-3(+13)(-7) (subtract+addition=subtract) (3-13)-7

10-7

3