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Popular >

simplify 5(-3.4k-7)+(3k+21)

Solution

simplify

5 (- 3.4 k - 7) + (3 k + 21)

Solution

- 14 k - 14

Solution steps

5 (- 3.4 k - 7) + (3 k + 21)

Apply rule:

a + (b + c) = a + b + c

5 (- 3.4 k - 7) + (3 k + 21) = 5 (- 3.4 k - 7) + 3 k + 21

= 5 (- 3.4 k - 7) + 3 k + 21

Expand

5 (- 3.4 k - 7) : - 17 k - 35

= - 17 k - 35 + 3 k + 21

Group like terms

= - 17 k + 3 k - 35 + 21

Add similar elements:

- 17 k + 3 k = - 14 k

= - 14 k - 35 + 21

Add the numbers:

- 35 + 21 = - 14

= - 14 k - 14

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Frequently Asked Questions (FAQ)

What is 5(-3.4k-7)+(3k+21) ?
The solution to 5(-3.4k-7)+(3k+21) is -14k-14