-12=8(u+2)-4u

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Solution for -12=8(u+2)-4u equation:


Simplifying
-12 = 8(u + 2) + -4u

Reorder the terms:
-12 = 8(2 + u) + -4u
-12 = (2 * 8 + u * 8) + -4u
-12 = (16 + 8u) + -4u

Combine like terms: 8u + -4u = 4u
-12 = 16 + 4u

Solving
-12 = 16 + 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.
-12 + -4u = 16 + 4u + -4u

Combine like terms: 4u + -4u = 0
-12 + -4u = 16 + 0
-12 + -4u = 16

Add '12' to each side of the equation.
-12 + 12 + -4u = 16 + 12

Combine like terms: -12 + 12 = 0
0 + -4u = 16 + 12
-4u = 16 + 12

Combine like terms: 16 + 12 = 28
-4u = 28

Divide each side by '-4'.
u = -7

Simplifying
u = -7

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