50k+60=40k+90

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Solution for 50k+60=40k+90 equation:


Simplifying
50k + 60 = 40k + 90

Reorder the terms:
60 + 50k = 40k + 90

Reorder the terms:
60 + 50k = 90 + 40k

Solving
60 + 50k = 90 + 40k

Solving for variable 'k'.

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

Add '-40k' to each side of the equation.
60 + 50k + -40k = 90 + 40k + -40k

Combine like terms: 50k + -40k = 10k
60 + 10k = 90 + 40k + -40k

Combine like terms: 40k + -40k = 0
60 + 10k = 90 + 0
60 + 10k = 90

Add '-60' to each side of the equation.
60 + -60 + 10k = 90 + -60

Combine like terms: 60 + -60 = 0
0 + 10k = 90 + -60
10k = 90 + -60

Combine like terms: 90 + -60 = 30
10k = 30

Divide each side by '10'.
k = 3

Simplifying
k = 3

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