19=4(k+1)-k

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Solution for 19=4(k+1)-k equation:


Simplifying
19 = 4(k + 1) + -1k

Reorder the terms:
19 = 4(1 + k) + -1k
19 = (1 * 4 + k * 4) + -1k
19 = (4 + 4k) + -1k

Combine like terms: 4k + -1k = 3k
19 = 4 + 3k

Solving
19 = 4 + 3k

Solving for variable 'k'.

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

Add '-3k' to each side of the equation.
19 + -3k = 4 + 3k + -3k

Combine like terms: 3k + -3k = 0
19 + -3k = 4 + 0
19 + -3k = 4

Add '-19' to each side of the equation.
19 + -19 + -3k = 4 + -19

Combine like terms: 19 + -19 = 0
0 + -3k = 4 + -19
-3k = 4 + -19

Combine like terms: 4 + -19 = -15
-3k = -15

Divide each side by '-3'.
k = 5

Simplifying
k = 5

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