3u+20=10u

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Solution for 3u+20=10u equation:


Simplifying
3u + 20 = 10u

Reorder the terms:
20 + 3u = 10u

Solving
20 + 3u = 10u

Solving for variable 'u'.

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

Add '-10u' to each side of the equation.
20 + 3u + -10u = 10u + -10u

Combine like terms: 3u + -10u = -7u
20 + -7u = 10u + -10u

Combine like terms: 10u + -10u = 0
20 + -7u = 0

Add '-20' to each side of the equation.
20 + -20 + -7u = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -7u = 0 + -20
-7u = 0 + -20

Combine like terms: 0 + -20 = -20
-7u = -20

Divide each side by '-7'.
u = 2.857142857

Simplifying
u = 2.857142857

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