3k+12=4(k+5)

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Solution for 3k+12=4(k+5) equation:


Simplifying
3k + 12 = 4(k + 5)

Reorder the terms:
12 + 3k = 4(k + 5)

Reorder the terms:
12 + 3k = 4(5 + k)
12 + 3k = (5 * 4 + k * 4)
12 + 3k = (20 + 4k)

Solving
12 + 3k = 20 + 4k

Solving for variable 'k'.

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

Add '-4k' to each side of the equation.
12 + 3k + -4k = 20 + 4k + -4k

Combine like terms: 3k + -4k = -1k
12 + -1k = 20 + 4k + -4k

Combine like terms: 4k + -4k = 0
12 + -1k = 20 + 0
12 + -1k = 20

Add '-12' to each side of the equation.
12 + -12 + -1k = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -1k = 20 + -12
-1k = 20 + -12

Combine like terms: 20 + -12 = 8
-1k = 8

Divide each side by '-1'.
k = -8

Simplifying
k = -8

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