3(u+3)+7u=-11

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Solution for 3(u+3)+7u=-11 equation:


Simplifying
3(u + 3) + 7u = -11

Reorder the terms:
3(3 + u) + 7u = -11
(3 * 3 + u * 3) + 7u = -11
(9 + 3u) + 7u = -11

Combine like terms: 3u + 7u = 10u
9 + 10u = -11

Solving
9 + 10u = -11

Solving for variable 'u'.

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

Add '-9' to each side of the equation.
9 + -9 + 10u = -11 + -9

Combine like terms: 9 + -9 = 0
0 + 10u = -11 + -9
10u = -11 + -9

Combine like terms: -11 + -9 = -20
10u = -20

Divide each side by '10'.
u = -2

Simplifying
u = -2

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