7k+8=3k-9

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Solution for 7k+8=3k-9 equation:


Simplifying
7k + 8 = 3k + -9

Reorder the terms:
8 + 7k = 3k + -9

Reorder the terms:
8 + 7k = -9 + 3k

Solving
8 + 7k = -9 + 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.
8 + 7k + -3k = -9 + 3k + -3k

Combine like terms: 7k + -3k = 4k
8 + 4k = -9 + 3k + -3k

Combine like terms: 3k + -3k = 0
8 + 4k = -9 + 0
8 + 4k = -9

Add '-8' to each side of the equation.
8 + -8 + 4k = -9 + -8

Combine like terms: 8 + -8 = 0
0 + 4k = -9 + -8
4k = -9 + -8

Combine like terms: -9 + -8 = -17
4k = -17

Divide each side by '4'.
k = -4.25

Simplifying
k = -4.25

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