What is 7(3-2k)+9(k-5) ?

The solution to 7(3-2k)+9(k-5) is -5k-24

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simplify 7(3-2k)+9(k-5)

simplify

7 (3 - 2 k) + 9 (k - 5)

- 5 k - 24

Solution steps

7 (3 - 2 k) + 9 (k - 5)

Expand

7 (3 - 2 k) : 21 - 14 k

= 21 - 14 k + 9 (k - 5)

Expand

9 (k - 5) : 9 k - 45

= 21 - 14 k + 9 k - 45

Group like terms

= - 14 k + 9 k + 21 - 45

Add similar elements:

- 14 k + 9 k = - 5 k

= - 5 k + 21 - 45

Subtract the numbers:

21 - 45 = - 24

= - 5 k - 24

\frac{1}{y} d y

3 x (x^{2} - 2 x + 1) (x - 1) (x + 1)

28 - 7

(a + 2 b)^{5}

3 \cdot (- 10)