800-K=200+100

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Solution for 800-K=200+100 equation:


Simplifying
800 + -1K = 200 + 100

Combine like terms: 200 + 100 = 300
800 + -1K = 300

Solving
800 + -1K = 300

Solving for variable 'K'.

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

Add '-800' to each side of the equation.
800 + -800 + -1K = 300 + -800

Combine like terms: 800 + -800 = 0
0 + -1K = 300 + -800
-1K = 300 + -800

Combine like terms: 300 + -800 = -500
-1K = -500

Divide each side by '-1'.
K = 500

Simplifying
K = 500

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