What is (8m-6n)-(-3m-7n) ?

The solution to (8m-6n)-(-3m-7n) is 11m+n

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simplify (8m-6n)-(-3m-7n)

simplify

(8 m - 6 n) - (- 3 m - 7 n)

11 m + n

Solution steps

(8 m - 6 n) - (- 3 m - 7 n)

Apply rule:

(a) = a

(8 m - 6 n) = 8 m - 6 n

= 8 m - 6 n - (- 3 m - 7 n)

Apply the distributive law:

- (- a - b) = a + b

- (- 3 m - 7 n) = 3 m + 7 n

= 8 m - 6 n + 3 m + 7 n

Group like terms

= 8 m + 3 m - 6 n + 7 n

Add similar elements:

8 m + 3 m = 11 m

= 11 m - 6 n + 7 n

Add similar elements:

- 6 n + 7 n = n

= 11 m + n

- 4.9 (- 8)

- ∣ - 12 ∣

(9 x^{2} y^{- 4})^{\frac{1}{2}}

2 i (3 + 2 i)

(8 a^{3} b^{2}) (2 a^{- 4} b^{- 5})