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

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


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

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

Reorder the terms:
-4 + -2u = 7u + -1 + 3(1 + 3u)
-4 + -2u = 7u + -1 + (1 * 3 + 3u * 3)
-4 + -2u = 7u + -1 + (3 + 9u)

Reorder the terms:
-4 + -2u = -1 + 3 + 7u + 9u

Combine like terms: -1 + 3 = 2
-4 + -2u = 2 + 7u + 9u

Combine like terms: 7u + 9u = 16u
-4 + -2u = 2 + 16u

Solving
-4 + -2u = 2 + 16u

Solving for variable 'u'.

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

Add '-16u' to each side of the equation.
-4 + -2u + -16u = 2 + 16u + -16u

Combine like terms: -2u + -16u = -18u
-4 + -18u = 2 + 16u + -16u

Combine like terms: 16u + -16u = 0
-4 + -18u = 2 + 0
-4 + -18u = 2

Add '4' to each side of the equation.
-4 + 4 + -18u = 2 + 4

Combine like terms: -4 + 4 = 0
0 + -18u = 2 + 4
-18u = 2 + 4

Combine like terms: 2 + 4 = 6
-18u = 6

Divide each side by '-18'.
u = -0.3333333333

Simplifying
u = -0.3333333333

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