21(k+3)=882

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Solution for 21(k+3)=882 equation:


Simplifying
21(k + 3) = 882

Reorder the terms:
21(3 + k) = 882
(3 * 21 + k * 21) = 882
(63 + 21k) = 882

Solving
63 + 21k = 882

Solving for variable 'k'.

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

Add '-63' to each side of the equation.
63 + -63 + 21k = 882 + -63

Combine like terms: 63 + -63 = 0
0 + 21k = 882 + -63
21k = 882 + -63

Combine like terms: 882 + -63 = 819
21k = 819

Divide each side by '21'.
k = 39

Simplifying
k = 39

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