3k+7=9+4k

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Solution for 3k+7=9+4k equation:


Simplifying
3k + 7 = 9 + 4k

Reorder the terms:
7 + 3k = 9 + 4k

Solving
7 + 3k = 9 + 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.
7 + 3k + -4k = 9 + 4k + -4k

Combine like terms: 3k + -4k = -1k
7 + -1k = 9 + 4k + -4k

Combine like terms: 4k + -4k = 0
7 + -1k = 9 + 0
7 + -1k = 9

Add '-7' to each side of the equation.
7 + -7 + -1k = 9 + -7

Combine like terms: 7 + -7 = 0
0 + -1k = 9 + -7
-1k = 9 + -7

Combine like terms: 9 + -7 = 2
-1k = 2

Divide each side by '-1'.
k = -2

Simplifying
k = -2

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