-3(2k+5)=-9(k+4)

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Solution for -3(2k+5)=-9(k+4) equation:


Simplifying
-3(2k + 5) = -9(k + 4)

Reorder the terms:
-3(5 + 2k) = -9(k + 4)
(5 * -3 + 2k * -3) = -9(k + 4)
(-15 + -6k) = -9(k + 4)

Reorder the terms:
-15 + -6k = -9(4 + k)
-15 + -6k = (4 * -9 + k * -9)
-15 + -6k = (-36 + -9k)

Solving
-15 + -6k = -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.
-15 + -6k + 9k = -36 + -9k + 9k

Combine like terms: -6k + 9k = 3k
-15 + 3k = -36 + -9k + 9k

Combine like terms: -9k + 9k = 0
-15 + 3k = -36 + 0
-15 + 3k = -36

Add '15' to each side of the equation.
-15 + 15 + 3k = -36 + 15

Combine like terms: -15 + 15 = 0
0 + 3k = -36 + 15
3k = -36 + 15

Combine like terms: -36 + 15 = -21
3k = -21

Divide each side by '3'.
k = -7

Simplifying
k = -7

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