18+k=90

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Solution for 18+k=90 equation: 


Simplifying
18 + k = 90

Solving
18 + k = 90

Solving for variable 'k'.

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

Add '-18' to each side of the equation.
18 + -18 + k = 90 + -18

Combine like terms: 18 + -18 = 0
0 + k = 90 + -18
k = 90 + -18

Combine like terms: 90 + -18 = 72
k = 72

Simplifying
k = 72

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