30k+90=20k+110

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Solution for 30k+90=20k+110 equation:


Simplifying
30k + 90 = 20k + 110

Reorder the terms:
90 + 30k = 20k + 110

Reorder the terms:
90 + 30k = 110 + 20k

Solving
90 + 30k = 110 + 20k

Solving for variable 'k'.

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

Add '-20k' to each side of the equation.
90 + 30k + -20k = 110 + 20k + -20k

Combine like terms: 30k + -20k = 10k
90 + 10k = 110 + 20k + -20k

Combine like terms: 20k + -20k = 0
90 + 10k = 110 + 0
90 + 10k = 110

Add '-90' to each side of the equation.
90 + -90 + 10k = 110 + -90

Combine like terms: 90 + -90 = 0
0 + 10k = 110 + -90
10k = 110 + -90

Combine like terms: 110 + -90 = 20
10k = 20

Divide each side by '10'.
k = 2

Simplifying
k = 2

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