-7(u+1)=2u-7+3(3u+4)

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Solution for -7(u+1)=2u-7+3(3u+4) equation:


Simplifying
-7(u + 1) = 2u + -7 + 3(3u + 4)

Reorder the terms:
-7(1 + u) = 2u + -7 + 3(3u + 4)
(1 * -7 + u * -7) = 2u + -7 + 3(3u + 4)
(-7 + -7u) = 2u + -7 + 3(3u + 4)

Reorder the terms:
-7 + -7u = 2u + -7 + 3(4 + 3u)
-7 + -7u = 2u + -7 + (4 * 3 + 3u * 3)
-7 + -7u = 2u + -7 + (12 + 9u)

Reorder the terms:
-7 + -7u = -7 + 12 + 2u + 9u

Combine like terms: -7 + 12 = 5
-7 + -7u = 5 + 2u + 9u

Combine like terms: 2u + 9u = 11u
-7 + -7u = 5 + 11u

Solving
-7 + -7u = 5 + 11u

Solving for variable 'u'.

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

Add '-11u' to each side of the equation.
-7 + -7u + -11u = 5 + 11u + -11u

Combine like terms: -7u + -11u = -18u
-7 + -18u = 5 + 11u + -11u

Combine like terms: 11u + -11u = 0
-7 + -18u = 5 + 0
-7 + -18u = 5

Add '7' to each side of the equation.
-7 + 7 + -18u = 5 + 7

Combine like terms: -7 + 7 = 0
0 + -18u = 5 + 7
-18u = 5 + 7

Combine like terms: 5 + 7 = 12
-18u = 12

Divide each side by '-18'.
u = -0.6666666667

Simplifying
u = -0.6666666667

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