5k+7=9k-25

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Solution for 5k+7=9k-25 equation:


Simplifying
5k + 7 = 9k + -25

Reorder the terms:
7 + 5k = 9k + -25

Reorder the terms:
7 + 5k = -25 + 9k

Solving
7 + 5k = -25 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
7 + 5k + -9k = -25 + 9k + -9k

Combine like terms: 5k + -9k = -4k
7 + -4k = -25 + 9k + -9k

Combine like terms: 9k + -9k = 0
7 + -4k = -25 + 0
7 + -4k = -25

Add '-7' to each side of the equation.
7 + -7 + -4k = -25 + -7

Combine like terms: 7 + -7 = 0
0 + -4k = -25 + -7
-4k = -25 + -7

Combine like terms: -25 + -7 = -32
-4k = -32

Divide each side by '-4'.
k = 8

Simplifying
k = 8

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