3(u-7)-5=-2(-9u+8)-9u

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Solution for 3(u-7)-5=-2(-9u+8)-9u equation:


Simplifying
3(u + -7) + -5 = -2(-9u + 8) + -9u

Reorder the terms:
3(-7 + u) + -5 = -2(-9u + 8) + -9u
(-7 * 3 + u * 3) + -5 = -2(-9u + 8) + -9u
(-21 + 3u) + -5 = -2(-9u + 8) + -9u

Reorder the terms:
-21 + -5 + 3u = -2(-9u + 8) + -9u

Combine like terms: -21 + -5 = -26
-26 + 3u = -2(-9u + 8) + -9u

Reorder the terms:
-26 + 3u = -2(8 + -9u) + -9u
-26 + 3u = (8 * -2 + -9u * -2) + -9u
-26 + 3u = (-16 + 18u) + -9u

Combine like terms: 18u + -9u = 9u
-26 + 3u = -16 + 9u

Solving
-26 + 3u = -16 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-26 + 3u + -9u = -16 + 9u + -9u

Combine like terms: 3u + -9u = -6u
-26 + -6u = -16 + 9u + -9u

Combine like terms: 9u + -9u = 0
-26 + -6u = -16 + 0
-26 + -6u = -16

Add '26' to each side of the equation.
-26 + 26 + -6u = -16 + 26

Combine like terms: -26 + 26 = 0
0 + -6u = -16 + 26
-6u = -16 + 26

Combine like terms: -16 + 26 = 10
-6u = 10

Divide each side by '-6'.
u = -1.666666667

Simplifying
u = -1.666666667

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