What is 4(0.7n-6n-0.3)-0.4n ?

The solution to 4(0.7n-6n-0.3)-0.4n is -21.6n-1.2

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simplify 4(0.7n-6n-0.3)-0.4n

simplify

4 (0.7 n - 6 n - 0.3) - 0.4 n

- 21.6 n - 1.2

Solution steps

4 (0.7 n - 6 n - 0.3) - 0.4 n

Add similar elements:

0.7 n - 6 n = - 5.3 n

= 4 (- 5.3 n - 0.3) - 0.4 n

Expand

4 (- 5.3 n - 0.3) : - 21.2 n - 1.2

= - 21.2 n - 1.2 - 0.4 n

Group like terms

= - 21.2 n - 0.4 n - 1.2

Add similar elements:

- 21.2 n - 0.4 n = - 21.6 n

= - 21.6 n - 1.2

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