7k-4=3k-12

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Solution for 7k-4=3k-12 equation:


Simplifying
7k + -4 = 3k + -12

Reorder the terms:
-4 + 7k = 3k + -12

Reorder the terms:
-4 + 7k = -12 + 3k

Solving
-4 + 7k = -12 + 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.
-4 + 7k + -3k = -12 + 3k + -3k

Combine like terms: 7k + -3k = 4k
-4 + 4k = -12 + 3k + -3k

Combine like terms: 3k + -3k = 0
-4 + 4k = -12 + 0
-4 + 4k = -12

Add '4' to each side of the equation.
-4 + 4 + 4k = -12 + 4

Combine like terms: -4 + 4 = 0
0 + 4k = -12 + 4
4k = -12 + 4

Combine like terms: -12 + 4 = -8
4k = -8

Divide each side by '4'.
k = -2

Simplifying
k = -2

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