5k+7=8k-8

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


Simplifying
5k + 7 = 8k + -8

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

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

Solving
7 + 5k = -8 + 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 + 5k + -8k = -8 + 8k + -8k

Combine like terms: 5k + -8k = -3k
7 + -3k = -8 + 8k + -8k

Combine like terms: 8k + -8k = 0
7 + -3k = -8 + 0
7 + -3k = -8

Add '-7' to each side of the equation.
7 + -7 + -3k = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -3k = -8 + -7
-3k = -8 + -7

Combine like terms: -8 + -7 = -15
-3k = -15

Divide each side by '-3'.
k = 5

Simplifying
k = 5

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