5k+7=3k+15

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Solution for 5k+7=3k+15 equation:


Simplifying
5k + 7 = 3k + 15

Reorder the terms:
7 + 5k = 3k + 15

Reorder the terms:
7 + 5k = 15 + 3k

Solving
7 + 5k = 15 + 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.
7 + 5k + -3k = 15 + 3k + -3k

Combine like terms: 5k + -3k = 2k
7 + 2k = 15 + 3k + -3k

Combine like terms: 3k + -3k = 0
7 + 2k = 15 + 0
7 + 2k = 15

Add '-7' to each side of the equation.
7 + -7 + 2k = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 2k = 15 + -7
2k = 15 + -7

Combine like terms: 15 + -7 = 8
2k = 8

Divide each side by '2'.
k = 4

Simplifying
k = 4

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