2k+9=7-3k

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Solution for 2k+9=7-3k equation:


Simplifying
2k + 9 = 7 + -3k

Reorder the terms:
9 + 2k = 7 + -3k

Solving
9 + 2k = 7 + -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.
9 + 2k + 3k = 7 + -3k + 3k

Combine like terms: 2k + 3k = 5k
9 + 5k = 7 + -3k + 3k

Combine like terms: -3k + 3k = 0
9 + 5k = 7 + 0
9 + 5k = 7

Add '-9' to each side of the equation.
9 + -9 + 5k = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 5k = 7 + -9
5k = 7 + -9

Combine like terms: 7 + -9 = -2
5k = -2

Divide each side by '5'.
k = -0.4

Simplifying
k = -0.4

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