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

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


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

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

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

Combine like terms: -21 + -2 = -23
-23 + 3u = -3(-9u + 5) + -8u

Reorder the terms:
-23 + 3u = -3(5 + -9u) + -8u
-23 + 3u = (5 * -3 + -9u * -3) + -8u
-23 + 3u = (-15 + 27u) + -8u

Combine like terms: 27u + -8u = 19u
-23 + 3u = -15 + 19u

Solving
-23 + 3u = -15 + 19u

Solving for variable 'u'.

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

Add '-19u' to each side of the equation.
-23 + 3u + -19u = -15 + 19u + -19u

Combine like terms: 3u + -19u = -16u
-23 + -16u = -15 + 19u + -19u

Combine like terms: 19u + -19u = 0
-23 + -16u = -15 + 0
-23 + -16u = -15

Add '23' to each side of the equation.
-23 + 23 + -16u = -15 + 23

Combine like terms: -23 + 23 = 0
0 + -16u = -15 + 23
-16u = -15 + 23

Combine like terms: -15 + 23 = 8
-16u = 8

Divide each side by '-16'.
u = -0.5

Simplifying
u = -0.5

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