4u-12=-8(u+9)

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Solution for 4u-12=-8(u+9) equation:


Simplifying
4u + -12 = -8(u + 9)

Reorder the terms:
-12 + 4u = -8(u + 9)

Reorder the terms:
-12 + 4u = -8(9 + u)
-12 + 4u = (9 * -8 + u * -8)
-12 + 4u = (-72 + -8u)

Solving
-12 + 4u = -72 + -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
-12 + 4u + 8u = -72 + -8u + 8u

Combine like terms: 4u + 8u = 12u
-12 + 12u = -72 + -8u + 8u

Combine like terms: -8u + 8u = 0
-12 + 12u = -72 + 0
-12 + 12u = -72

Add '12' to each side of the equation.
-12 + 12 + 12u = -72 + 12

Combine like terms: -12 + 12 = 0
0 + 12u = -72 + 12
12u = -72 + 12

Combine like terms: -72 + 12 = -60
12u = -60

Divide each side by '12'.
u = -5

Simplifying
u = -5

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