-29=7u+3(u+7)

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Solution for -29=7u+3(u+7) equation:


Simplifying
-29 = 7u + 3(u + 7)

Reorder the terms:
-29 = 7u + 3(7 + u)
-29 = 7u + (7 * 3 + u * 3)
-29 = 7u + (21 + 3u)

Reorder the terms:
-29 = 21 + 7u + 3u

Combine like terms: 7u + 3u = 10u
-29 = 21 + 10u

Solving
-29 = 21 + 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.
-29 + -10u = 21 + 10u + -10u

Combine like terms: 10u + -10u = 0
-29 + -10u = 21 + 0
-29 + -10u = 21

Add '29' to each side of the equation.
-29 + 29 + -10u = 21 + 29

Combine like terms: -29 + 29 = 0
0 + -10u = 21 + 29
-10u = 21 + 29

Combine like terms: 21 + 29 = 50
-10u = 50

Divide each side by '-10'.
u = -5

Simplifying
u = -5

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