15+4k=7(3k-6)

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Solution for 15+4k=7(3k-6) equation:


Simplifying
15 + 4k = 7(3k + -6)

Reorder the terms:
15 + 4k = 7(-6 + 3k)
15 + 4k = (-6 * 7 + 3k * 7)
15 + 4k = (-42 + 21k)

Solving
15 + 4k = -42 + 21k

Solving for variable 'k'.

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

Add '-21k' to each side of the equation.
15 + 4k + -21k = -42 + 21k + -21k

Combine like terms: 4k + -21k = -17k
15 + -17k = -42 + 21k + -21k

Combine like terms: 21k + -21k = 0
15 + -17k = -42 + 0
15 + -17k = -42

Add '-15' to each side of the equation.
15 + -15 + -17k = -42 + -15

Combine like terms: 15 + -15 = 0
0 + -17k = -42 + -15
-17k = -42 + -15

Combine like terms: -42 + -15 = -57
-17k = -57

Divide each side by '-17'.
k = 3.352941176

Simplifying
k = 3.352941176

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