-28=4(u-2)-8u

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Solution for -28=4(u-2)-8u equation:


Simplifying
-28 = 4(u + -2) + -8u

Reorder the terms:
-28 = 4(-2 + u) + -8u
-28 = (-2 * 4 + u * 4) + -8u
-28 = (-8 + 4u) + -8u

Combine like terms: 4u + -8u = -4u
-28 = -8 + -4u

Solving
-28 = -8 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
-28 + 4u = -8 + -4u + 4u

Combine like terms: -4u + 4u = 0
-28 + 4u = -8 + 0
-28 + 4u = -8

Add '28' to each side of the equation.
-28 + 28 + 4u = -8 + 28

Combine like terms: -28 + 28 = 0
0 + 4u = -8 + 28
4u = -8 + 28

Combine like terms: -8 + 28 = 20
4u = 20

Divide each side by '4'.
u = 5

Simplifying
u = 5

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