-6k+21-15k=210

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Solution for -6k+21-15k=210 equation:


Simplifying
-6k + 21 + -15k = 210

Reorder the terms:
21 + -6k + -15k = 210

Combine like terms: -6k + -15k = -21k
21 + -21k = 210

Solving
21 + -21k = 210

Solving for variable 'k'.

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

Add '-21' to each side of the equation.
21 + -21 + -21k = 210 + -21

Combine like terms: 21 + -21 = 0
0 + -21k = 210 + -21
-21k = 210 + -21

Combine like terms: 210 + -21 = 189
-21k = 189

Divide each side by '-21'.
k = -9

Simplifying
k = -9

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