3K+10=2K+(-21)

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Solution for 3K+10=2K+(-21) equation: 


Simplifying
3K + 10 = 2K + (-21)

Reorder the terms:
10 + 3K = 2K + (-21)
10 + 3K = 2K + -21

Reorder the terms:
10 + 3K = -21 + 2K

Solving
10 + 3K = -21 + 2K

Solving for variable 'K'.

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

Add '-2K' to each side of the equation.
10 + 3K + -2K = -21 + 2K + -2K

Combine like terms: 3K + -2K = 1K
10 + 1K = -21 + 2K + -2K

Combine like terms: 2K + -2K = 0
10 + 1K = -21 + 0
10 + 1K = -21

Add '-10' to each side of the equation.
10 + -10 + 1K = -21 + -10

Combine like terms: 10 + -10 = 0
0 + 1K = -21 + -10
1K = -21 + -10

Combine like terms: -21 + -10 = -31
1K = -31

Divide each side by '1'.
K = -31

Simplifying
K = -31

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