5k-40=7+-1k

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Solution for 5k-40=7+-1k equation:


Simplifying
5k + -40 = 7 + -1k

Reorder the terms:
-40 + 5k = 7 + -1k

Solving
-40 + 5k = 7 + -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
-40 + 5k + k = 7 + -1k + k

Combine like terms: 5k + k = 6k
-40 + 6k = 7 + -1k + k

Combine like terms: -1k + k = 0
-40 + 6k = 7 + 0
-40 + 6k = 7

Add '40' to each side of the equation.
-40 + 40 + 6k = 7 + 40

Combine like terms: -40 + 40 = 0
0 + 6k = 7 + 40
6k = 7 + 40

Combine like terms: 7 + 40 = 47
6k = 47

Divide each side by '6'.
k = 7.833333333

Simplifying
k = 7.833333333

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