-8=4(u-7)-8u

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Solution for -8=4(u-7)-8u equation:


Simplifying
-8 = 4(u + -7) + -8u

Reorder the terms:
-8 = 4(-7 + u) + -8u
-8 = (-7 * 4 + u * 4) + -8u
-8 = (-28 + 4u) + -8u

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

Solving
-8 = -28 + -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 = -28 + -4u + 4u

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

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

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

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

Divide each side by '4'.
u = -5

Simplifying
u = -5

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