5(7+3k)=9(k-4)

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Solution for 5(7+3k)=9(k-4) equation:


Simplifying
5(7 + 3k) = 9(k + -4)
(7 * 5 + 3k * 5) = 9(k + -4)
(35 + 15k) = 9(k + -4)

Reorder the terms:
35 + 15k = 9(-4 + k)
35 + 15k = (-4 * 9 + k * 9)
35 + 15k = (-36 + 9k)

Solving
35 + 15k = -36 + 9k

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '-9k' to each side of the equation.
35 + 15k + -9k = -36 + 9k + -9k

Combine like terms: 15k + -9k = 6k
35 + 6k = -36 + 9k + -9k

Combine like terms: 9k + -9k = 0
35 + 6k = -36 + 0
35 + 6k = -36

Add '-35' to each side of the equation.
35 + -35 + 6k = -36 + -35

Combine like terms: 35 + -35 = 0
0 + 6k = -36 + -35
6k = -36 + -35

Combine like terms: -36 + -35 = -71
6k = -71

Divide each side by '6'.
k = -11.83333333

Simplifying
k = -11.83333333

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