12=1+3k-4

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Solution for 12=1+3k-4 equation:


Simplifying
12 = 1 + 3k + -4

Reorder the terms:
12 = 1 + -4 + 3k

Combine like terms: 1 + -4 = -3
12 = -3 + 3k

Solving
12 = -3 + 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.
12 + -3k = -3 + 3k + -3k

Combine like terms: 3k + -3k = 0
12 + -3k = -3 + 0
12 + -3k = -3

Add '-12' to each side of the equation.
12 + -12 + -3k = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -3k = -3 + -12
-3k = -3 + -12

Combine like terms: -3 + -12 = -15
-3k = -15

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

Simplifying
k = 5

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