4=3-(12-k)

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Solution for 4=3-(12-k) equation:


Simplifying
4 = 3 + -1(12 + -1k)
4 = 3 + (12 * -1 + -1k * -1)
4 = 3 + (-12 + 1k)

Combine like terms: 3 + -12 = -9
4 = -9 + 1k

Solving
4 = -9 + 1k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
4 + -1k = -9 + 1k + -1k

Combine like terms: 1k + -1k = 0
4 + -1k = -9 + 0
4 + -1k = -9

Add '-4' to each side of the equation.
4 + -4 + -1k = -9 + -4

Combine like terms: 4 + -4 = 0
0 + -1k = -9 + -4
-1k = -9 + -4

Combine like terms: -9 + -4 = -13
-1k = -13

Divide each side by '-1'.
k = 13

Simplifying
k = 13

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