25(k+4)=400

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Solution for 25(k+4)=400 equation:


Simplifying
25(k + 4) = 400

Reorder the terms:
25(4 + k) = 400
(4 * 25 + k * 25) = 400
(100 + 25k) = 400

Solving
100 + 25k = 400

Solving for variable 'k'.

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

Add '-100' to each side of the equation.
100 + -100 + 25k = 400 + -100

Combine like terms: 100 + -100 = 0
0 + 25k = 400 + -100
25k = 400 + -100

Combine like terms: 400 + -100 = 300
25k = 300

Divide each side by '25'.
k = 12

Simplifying
k = 12

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