6k+21+4k=-90

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Solution for 6k+21+4k=-90 equation:


Simplifying
6k + 21 + 4k = -90

Reorder the terms:
21 + 6k + 4k = -90

Combine like terms: 6k + 4k = 10k
21 + 10k = -90

Solving
21 + 10k = -90

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 + 10k = -90 + -21

Combine like terms: 21 + -21 = 0
0 + 10k = -90 + -21
10k = -90 + -21

Combine like terms: -90 + -21 = -111
10k = -111

Divide each side by '10'.
k = -11.1

Simplifying
k = -11.1

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