45+k+2k=180

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Solution for 45+k+2k=180 equation: 


Simplifying
45 + k + 2k = 180

Combine like terms: k + 2k = 3k
45 + 3k = 180

Solving
45 + 3k = 180

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 + 3k = 180 + -45

Combine like terms: 45 + -45 = 0
0 + 3k = 180 + -45
3k = 180 + -45

Combine like terms: 180 + -45 = 135
3k = 135

Divide each side by '3'.
k = 45

Simplifying
k = 45

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