Question
Subtract:
a - 2b - 3c from -2a + 5b - 4c
a - 2b - 3c from -2a + 5b - 4c
✓
Answer
a - 2b - 3c from -2a + 5b - 4c
= -2a + 5b - 4c - (a - 2b - 3c)
= -2a + 5b - 4c - 4 + 2b + 3c
= -3a + 7b - c
= -2a + 5b - 4c - (a - 2b - 3c)
= -2a + 5b - 4c - 4 + 2b + 3c
= -3a + 7b - c
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