3(4-k)=-30+3k

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Solution for 3(4-k)=-30+3k equation:


Simplifying
3(4 + -1k) = -30 + 3k
(4 * 3 + -1k * 3) = -30 + 3k
(12 + -3k) = -30 + 3k

Solving
12 + -3k = -30 + 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 + -3k = -30 + 3k + -3k

Combine like terms: -3k + -3k = -6k
12 + -6k = -30 + 3k + -3k

Combine like terms: 3k + -3k = 0
12 + -6k = -30 + 0
12 + -6k = -30

Add '-12' to each side of the equation.
12 + -12 + -6k = -30 + -12

Combine like terms: 12 + -12 = 0
0 + -6k = -30 + -12
-6k = -30 + -12

Combine like terms: -30 + -12 = -42
-6k = -42

Divide each side by '-6'.
k = 7

Simplifying
k = 7

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