3(u+7)-5u=11

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Solution for 3(u+7)-5u=11 equation:


Simplifying
3(u + 7) + -5u = 11

Reorder the terms:
3(7 + u) + -5u = 11
(7 * 3 + u * 3) + -5u = 11
(21 + 3u) + -5u = 11

Combine like terms: 3u + -5u = -2u
21 + -2u = 11

Solving
21 + -2u = 11

Solving for variable 'u'.

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

Add '-21' to each side of the equation.
21 + -21 + -2u = 11 + -21

Combine like terms: 21 + -21 = 0
0 + -2u = 11 + -21
-2u = 11 + -21

Combine like terms: 11 + -21 = -10
-2u = -10

Divide each side by '-2'.
u = 5

Simplifying
u = 5

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