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

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


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

Reorder the terms:
-8 = 4(3 + u) + -8u
-8 = (3 * 4 + u * 4) + -8u
-8 = (12 + 4u) + -8u

Combine like terms: 4u + -8u = -4u
-8 = 12 + -4u

Solving
-8 = 12 + -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.
-8 + 4u = 12 + -4u + 4u

Combine like terms: -4u + 4u = 0
-8 + 4u = 12 + 0
-8 + 4u = 12

Add '8' to each side of the equation.
-8 + 8 + 4u = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 4u = 12 + 8
4u = 12 + 8

Combine like terms: 12 + 8 = 20
4u = 20

Divide each side by '4'.
u = 5

Simplifying
u = 5

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