Question

How do we combine like terms with negative coefficients
5n+6+(-7n)

Answer 1

- 2n + 6

Explanation:

note that + (-) = -

5n + 6 + (- 7n)

= 5n + 6 - 7n ← collect like terms

= 5n - 7n + 6

= - 2n + 6