4=6(u+3)-8u

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Solution for 4=6(u+3)-8u equation:


Simplifying
4 = 6(u + 3) + -8u

Reorder the terms:
4 = 6(3 + u) + -8u
4 = (3 * 6 + u * 6) + -8u
4 = (18 + 6u) + -8u

Combine like terms: 6u + -8u = -2u
4 = 18 + -2u

Solving
4 = 18 + -2u

Solving for variable 'u'.

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

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

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

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

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

Combine like terms: 18 + -4 = 14
2u = 14

Divide each side by '2'.
u = 7

Simplifying
u = 7

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