25-7+3k=12

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Solution for 25-7+3k=12 equation: 


Simplifying
25 + -7 + 3k = 12

Combine like terms: 25 + -7 = 18
18 + 3k = 12

Solving
18 + 3k = 12

Solving for variable 'k'.

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

Add '-18' to each side of the equation.
18 + -18 + 3k = 12 + -18

Combine like terms: 18 + -18 = 0
0 + 3k = 12 + -18
3k = 12 + -18

Combine like terms: 12 + -18 = -6
3k = -6

Divide each side by '3'.
k = -2

Simplifying
k = -2

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