30K+90=20K

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Solution for 30K+90=20K equation:


Simplifying
30K + 90 = 20K

Reorder the terms:
90 + 30K = 20K

Solving
90 + 30K = 20K

Solving for variable 'K'.

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

Add '-20K' to each side of the equation.
90 + 30K + -20K = 20K + -20K

Combine like terms: 30K + -20K = 10K
90 + 10K = 20K + -20K

Combine like terms: 20K + -20K = 0
90 + 10K = 0

Add '-90' to each side of the equation.
90 + -90 + 10K = 0 + -90

Combine like terms: 90 + -90 = 0
0 + 10K = 0 + -90
10K = 0 + -90

Combine like terms: 0 + -90 = -90
10K = -90

Divide each side by '10'.
K = -9

Simplifying
K = -9

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