6u-5(4u-20)=3u-18-18

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Solution for 6u-5(4u-20)=3u-18-18 equation:


Simplifying
6u + -5(4u + -20) = 3u + -18 + -18

Reorder the terms:
6u + -5(-20 + 4u) = 3u + -18 + -18
6u + (-20 * -5 + 4u * -5) = 3u + -18 + -18
6u + (100 + -20u) = 3u + -18 + -18

Reorder the terms:
100 + 6u + -20u = 3u + -18 + -18

Combine like terms: 6u + -20u = -14u
100 + -14u = 3u + -18 + -18

Reorder the terms:
100 + -14u = -18 + -18 + 3u

Combine like terms: -18 + -18 = -36
100 + -14u = -36 + 3u

Solving
100 + -14u = -36 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
100 + -14u + -3u = -36 + 3u + -3u

Combine like terms: -14u + -3u = -17u
100 + -17u = -36 + 3u + -3u

Combine like terms: 3u + -3u = 0
100 + -17u = -36 + 0
100 + -17u = -36

Add '-100' to each side of the equation.
100 + -100 + -17u = -36 + -100

Combine like terms: 100 + -100 = 0
0 + -17u = -36 + -100
-17u = -36 + -100

Combine like terms: -36 + -100 = -136
-17u = -136

Divide each side by '-17'.
u = 8

Simplifying
u = 8

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