-2(-7u+3)-7u=3(u-5)-9

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Solution for -2(-7u+3)-7u=3(u-5)-9 equation:


Simplifying
-2(-7u + 3) + -7u = 3(u + -5) + -9

Reorder the terms:
-2(3 + -7u) + -7u = 3(u + -5) + -9
(3 * -2 + -7u * -2) + -7u = 3(u + -5) + -9
(-6 + 14u) + -7u = 3(u + -5) + -9

Combine like terms: 14u + -7u = 7u
-6 + 7u = 3(u + -5) + -9

Reorder the terms:
-6 + 7u = 3(-5 + u) + -9
-6 + 7u = (-5 * 3 + u * 3) + -9
-6 + 7u = (-15 + 3u) + -9

Reorder the terms:
-6 + 7u = -15 + -9 + 3u

Combine like terms: -15 + -9 = -24
-6 + 7u = -24 + 3u

Solving
-6 + 7u = -24 + 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.
-6 + 7u + -3u = -24 + 3u + -3u

Combine like terms: 7u + -3u = 4u
-6 + 4u = -24 + 3u + -3u

Combine like terms: 3u + -3u = 0
-6 + 4u = -24 + 0
-6 + 4u = -24

Add '6' to each side of the equation.
-6 + 6 + 4u = -24 + 6

Combine like terms: -6 + 6 = 0
0 + 4u = -24 + 6
4u = -24 + 6

Combine like terms: -24 + 6 = -18
4u = -18

Divide each side by '4'.
u = -4.5

Simplifying
u = -4.5

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