-3(u+4)=3u-4+2(2u+4)

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Solution for -3(u+4)=3u-4+2(2u+4) equation:


Simplifying
-3(u + 4) = 3u + -4 + 2(2u + 4)

Reorder the terms:
-3(4 + u) = 3u + -4 + 2(2u + 4)
(4 * -3 + u * -3) = 3u + -4 + 2(2u + 4)
(-12 + -3u) = 3u + -4 + 2(2u + 4)

Reorder the terms:
-12 + -3u = 3u + -4 + 2(4 + 2u)
-12 + -3u = 3u + -4 + (4 * 2 + 2u * 2)
-12 + -3u = 3u + -4 + (8 + 4u)

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

Combine like terms: -4 + 8 = 4
-12 + -3u = 4 + 3u + 4u

Combine like terms: 3u + 4u = 7u
-12 + -3u = 4 + 7u

Solving
-12 + -3u = 4 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
-12 + -3u + -7u = 4 + 7u + -7u

Combine like terms: -3u + -7u = -10u
-12 + -10u = 4 + 7u + -7u

Combine like terms: 7u + -7u = 0
-12 + -10u = 4 + 0
-12 + -10u = 4

Add '12' to each side of the equation.
-12 + 12 + -10u = 4 + 12

Combine like terms: -12 + 12 = 0
0 + -10u = 4 + 12
-10u = 4 + 12

Combine like terms: 4 + 12 = 16
-10u = 16

Divide each side by '-10'.
u = -1.6

Simplifying
u = -1.6

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