45-3k+k=0

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Solution for 45-3k+k=0 equation: 


Simplifying
45 + -3k + k = 0

Combine like terms: -3k + k = -2k
45 + -2k = 0

Solving
45 + -2k = 0

Solving for variable 'k'.

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

Add '-45' to each side of the equation.
45 + -45 + -2k = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -2k = 0 + -45
-2k = 0 + -45

Combine like terms: 0 + -45 = -45
-2k = -45

Divide each side by '-2'.
k = 22.5

Simplifying
k = 22.5

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