-12=-4(u+15)+8

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Solution for -12=-4(u+15)+8 equation:


Simplifying
-12 = -4(u + 15) + 8

Reorder the terms:
-12 = -4(15 + u) + 8
-12 = (15 * -4 + u * -4) + 8
-12 = (-60 + -4u) + 8

Reorder the terms:
-12 = -60 + 8 + -4u

Combine like terms: -60 + 8 = -52
-12 = -52 + -4u

Solving
-12 = -52 + -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 = -52 + -4u + 4u

Combine like terms: -4u + 4u = 0
-12 + 4u = -52 + 0
-12 + 4u = -52

Add '12' to each side of the equation.
-12 + 12 + 4u = -52 + 12

Combine like terms: -12 + 12 = 0
0 + 4u = -52 + 12
4u = -52 + 12

Combine like terms: -52 + 12 = -40
4u = -40

Divide each side by '4'.
u = -10

Simplifying
u = -10

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