7k+4=10k-20

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Solution for 7k+4=10k-20 equation:


Simplifying
7k + 4 = 10k + -20

Reorder the terms:
4 + 7k = 10k + -20

Reorder the terms:
4 + 7k = -20 + 10k

Solving
4 + 7k = -20 + 10k

Solving for variable 'k'.

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

Add '-10k' to each side of the equation.
4 + 7k + -10k = -20 + 10k + -10k

Combine like terms: 7k + -10k = -3k
4 + -3k = -20 + 10k + -10k

Combine like terms: 10k + -10k = 0
4 + -3k = -20 + 0
4 + -3k = -20

Add '-4' to each side of the equation.
4 + -4 + -3k = -20 + -4

Combine like terms: 4 + -4 = 0
0 + -3k = -20 + -4
-3k = -20 + -4

Combine like terms: -20 + -4 = -24
-3k = -24

Divide each side by '-3'.
k = 8

Simplifying
k = 8

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