15k+9=18k-3

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Solution for 15k+9=18k-3 equation:


Simplifying
15k + 9 = 18k + -3

Reorder the terms:
9 + 15k = 18k + -3

Reorder the terms:
9 + 15k = -3 + 18k

Solving
9 + 15k = -3 + 18k

Solving for variable 'k'.

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

Add '-18k' to each side of the equation.
9 + 15k + -18k = -3 + 18k + -18k

Combine like terms: 15k + -18k = -3k
9 + -3k = -3 + 18k + -18k

Combine like terms: 18k + -18k = 0
9 + -3k = -3 + 0
9 + -3k = -3

Add '-9' to each side of the equation.
9 + -9 + -3k = -3 + -9

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

Combine like terms: -3 + -9 = -12
-3k = -12

Divide each side by '-3'.
k = 4

Simplifying
k = 4

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