5k-7+2k=8k-12

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Solution for 5k-7+2k=8k-12 equation:


Simplifying
5k + -7 + 2k = 8k + -12

Reorder the terms:
-7 + 5k + 2k = 8k + -12

Combine like terms: 5k + 2k = 7k
-7 + 7k = 8k + -12

Reorder the terms:
-7 + 7k = -12 + 8k

Solving
-7 + 7k = -12 + 8k

Solving for variable 'k'.

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

Add '-8k' to each side of the equation.
-7 + 7k + -8k = -12 + 8k + -8k

Combine like terms: 7k + -8k = -1k
-7 + -1k = -12 + 8k + -8k

Combine like terms: 8k + -8k = 0
-7 + -1k = -12 + 0
-7 + -1k = -12

Add '7' to each side of the equation.
-7 + 7 + -1k = -12 + 7

Combine like terms: -7 + 7 = 0
0 + -1k = -12 + 7
-1k = -12 + 7

Combine like terms: -12 + 7 = -5
-1k = -5

Divide each side by '-1'.
k = 5

Simplifying
k = 5

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