What is (2n-9)-(-2.4n+4) ?

The solution to (2n-9)-(-2.4n+4) is 4.4n-13

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simplify (2n-9)-(-2.4n+4)

simplify

(2 n - 9) - (- 2.4 n + 4)

4.4 n - 13

Solution steps

(2 n - 9) - (- 2.4 n + 4)

Apply rule:

(a) = a

(2 n - 9) = 2 n - 9

= 2 n - 9 - (- 2.4 n + 4)

Apply the distributive law:

- (- a + b) = a - b

- (- 2.4 n + 4) = 2.4 n - 4

= 2 n - 9 + 2.4 n - 4

Group like terms

= 2 n + 2.4 n - 9 - 4

Add similar elements:

2 n + 2.4 n = 4.4 n

= 4.4 n - 9 - 4

Subtract the numbers:

- 9 - 4 = - 13

= 4.4 n - 13

\frac{128}{3}

(x + 1) (3 x - 2)

\frac{18}{45}

(2 x + y)^{5}

\frac{- 1}{0}