4(u+1)+5=6(u-1)+u

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Solution for 4(u+1)+5=6(u-1)+u equation:


Simplifying
4(u + 1) + 5 = 6(u + -1) + u

Reorder the terms:
4(1 + u) + 5 = 6(u + -1) + u
(1 * 4 + u * 4) + 5 = 6(u + -1) + u
(4 + 4u) + 5 = 6(u + -1) + u

Reorder the terms:
4 + 5 + 4u = 6(u + -1) + u

Combine like terms: 4 + 5 = 9
9 + 4u = 6(u + -1) + u

Reorder the terms:
9 + 4u = 6(-1 + u) + u
9 + 4u = (-1 * 6 + u * 6) + u
9 + 4u = (-6 + 6u) + u

Combine like terms: 6u + u = 7u
9 + 4u = -6 + 7u

Solving
9 + 4u = -6 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
9 + 4u + -7u = -6 + 7u + -7u

Combine like terms: 4u + -7u = -3u
9 + -3u = -6 + 7u + -7u

Combine like terms: 7u + -7u = 0
9 + -3u = -6 + 0
9 + -3u = -6

Add '-9' to each side of the equation.
9 + -9 + -3u = -6 + -9

Combine like terms: 9 + -9 = 0
0 + -3u = -6 + -9
-3u = -6 + -9

Combine like terms: -6 + -9 = -15
-3u = -15

Divide each side by '-3'.
u = 5

Simplifying
u = 5

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