7(3u-u)+u=5-2u

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Solution for 7(3u-u)+u=5-2u equation:


Simplifying
7(3u + -1u) + u = 5 + -2u

Combine like terms: 3u + -1u = 2u
7(2u) + u = 5 + -2u

Remove parenthesis around (2u)
7 * 2u + u = 5 + -2u

Multiply 7 * 2
14u + u = 5 + -2u

Combine like terms: 14u + u = 15u
15u = 5 + -2u

Solving
15u = 5 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
15u + 2u = 5 + -2u + 2u

Combine like terms: 15u + 2u = 17u
17u = 5 + -2u + 2u

Combine like terms: -2u + 2u = 0
17u = 5 + 0
17u = 5

Divide each side by '17'.
u = 0.2941176471

Simplifying
u = 0.2941176471

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