213=-3(9k+10)

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Solution for 213=-3(9k+10) equation: 


Simplifying
213 = -3(9k + 10)

Reorder the terms:
213 = -3(10 + 9k)
213 = (10 * -3 + 9k * -3)
213 = (-30 + -27k)

Solving
213 = -30 + -27k

Solving for variable 'k'.

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

Add '27k' to each side of the equation.
213 + 27k = -30 + -27k + 27k

Combine like terms: -27k + 27k = 0
213 + 27k = -30 + 0
213 + 27k = -30

Add '-213' to each side of the equation.
213 + -213 + 27k = -30 + -213

Combine like terms: 213 + -213 = 0
0 + 27k = -30 + -213
27k = -30 + -213

Combine like terms: -30 + -213 = -243
27k = -243

Divide each side by '27'.
k = -9

Simplifying
k = -9

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