7u-9+2(2u+6)=-3(u+5)

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Solution for 7u-9+2(2u+6)=-3(u+5) equation:


Simplifying
7u + -9 + 2(2u + 6) = -3(u + 5)

Reorder the terms:
7u + -9 + 2(6 + 2u) = -3(u + 5)
7u + -9 + (6 * 2 + 2u * 2) = -3(u + 5)
7u + -9 + (12 + 4u) = -3(u + 5)

Reorder the terms:
-9 + 12 + 7u + 4u = -3(u + 5)

Combine like terms: -9 + 12 = 3
3 + 7u + 4u = -3(u + 5)

Combine like terms: 7u + 4u = 11u
3 + 11u = -3(u + 5)

Reorder the terms:
3 + 11u = -3(5 + u)
3 + 11u = (5 * -3 + u * -3)
3 + 11u = (-15 + -3u)

Solving
3 + 11u = -15 + -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
3 + 11u + 3u = -15 + -3u + 3u

Combine like terms: 11u + 3u = 14u
3 + 14u = -15 + -3u + 3u

Combine like terms: -3u + 3u = 0
3 + 14u = -15 + 0
3 + 14u = -15

Add '-3' to each side of the equation.
3 + -3 + 14u = -15 + -3

Combine like terms: 3 + -3 = 0
0 + 14u = -15 + -3
14u = -15 + -3

Combine like terms: -15 + -3 = -18
14u = -18

Divide each side by '14'.
u = -1.285714286

Simplifying
u = -1.285714286

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