3k+40+2k=10

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Solution for 3k+40+2k=10 equation: 


Simplifying
3k + 40 + 2k = 10

Reorder the terms:
40 + 3k + 2k = 10

Combine like terms: 3k + 2k = 5k
40 + 5k = 10

Solving
40 + 5k = 10

Solving for variable 'k'.

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

Add '-40' to each side of the equation.
40 + -40 + 5k = 10 + -40

Combine like terms: 40 + -40 = 0
0 + 5k = 10 + -40
5k = 10 + -40

Combine like terms: 10 + -40 = -30
5k = -30

Divide each side by '5'.
k = -6

Simplifying
k = -6

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