-3(u+5)=3u-5+2(2u+4)

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Solution for -3(u+5)=3u-5+2(2u+4) equation:


Simplifying
-3(u + 5) = 3u + -5 + 2(2u + 4)

Reorder the terms:
-3(5 + u) = 3u + -5 + 2(2u + 4)
(5 * -3 + u * -3) = 3u + -5 + 2(2u + 4)
(-15 + -3u) = 3u + -5 + 2(2u + 4)

Reorder the terms:
-15 + -3u = 3u + -5 + 2(4 + 2u)
-15 + -3u = 3u + -5 + (4 * 2 + 2u * 2)
-15 + -3u = 3u + -5 + (8 + 4u)

Reorder the terms:
-15 + -3u = -5 + 8 + 3u + 4u

Combine like terms: -5 + 8 = 3
-15 + -3u = 3 + 3u + 4u

Combine like terms: 3u + 4u = 7u
-15 + -3u = 3 + 7u

Solving
-15 + -3u = 3 + 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.
-15 + -3u + -7u = 3 + 7u + -7u

Combine like terms: -3u + -7u = -10u
-15 + -10u = 3 + 7u + -7u

Combine like terms: 7u + -7u = 0
-15 + -10u = 3 + 0
-15 + -10u = 3

Add '15' to each side of the equation.
-15 + 15 + -10u = 3 + 15

Combine like terms: -15 + 15 = 0
0 + -10u = 3 + 15
-10u = 3 + 15

Combine like terms: 3 + 15 = 18
-10u = 18

Divide each side by '-10'.
u = -1.8

Simplifying
u = -1.8

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