-3u+(9u-2)=10

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Solution for -3u+(9u-2)=10 equation:


Simplifying
-3u + (9u + -2) = 10

Reorder the terms:
-3u + (-2 + 9u) = 10

Remove parenthesis around (-2 + 9u)
-3u + -2 + 9u = 10

Reorder the terms:
-2 + -3u + 9u = 10

Combine like terms: -3u + 9u = 6u
-2 + 6u = 10

Solving
-2 + 6u = 10

Solving for variable 'u'.

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

Add '2' to each side of the equation.
-2 + 2 + 6u = 10 + 2

Combine like terms: -2 + 2 = 0
0 + 6u = 10 + 2
6u = 10 + 2

Combine like terms: 10 + 2 = 12
6u = 12

Divide each side by '6'.
u = 2

Simplifying
u = 2

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