3k+5=7k+7

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Solution for 3k+5=7k+7 equation:


Simplifying
3k + 5 = 7k + 7

Reorder the terms:
5 + 3k = 7k + 7

Reorder the terms:
5 + 3k = 7 + 7k

Solving
5 + 3k = 7 + 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
5 + 3k + -7k = 7 + 7k + -7k

Combine like terms: 3k + -7k = -4k
5 + -4k = 7 + 7k + -7k

Combine like terms: 7k + -7k = 0
5 + -4k = 7 + 0
5 + -4k = 7

Add '-5' to each side of the equation.
5 + -5 + -4k = 7 + -5

Combine like terms: 5 + -5 = 0
0 + -4k = 7 + -5
-4k = 7 + -5

Combine like terms: 7 + -5 = 2
-4k = 2

Divide each side by '-4'.
k = -0.5

Simplifying
k = -0.5

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