3(u-7)-7=-5(-3u+6)-6u

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Solution for 3(u-7)-7=-5(-3u+6)-6u equation:


Simplifying
3(u + -7) + -7 = -5(-3u + 6) + -6u

Reorder the terms:
3(-7 + u) + -7 = -5(-3u + 6) + -6u
(-7 * 3 + u * 3) + -7 = -5(-3u + 6) + -6u
(-21 + 3u) + -7 = -5(-3u + 6) + -6u

Reorder the terms:
-21 + -7 + 3u = -5(-3u + 6) + -6u

Combine like terms: -21 + -7 = -28
-28 + 3u = -5(-3u + 6) + -6u

Reorder the terms:
-28 + 3u = -5(6 + -3u) + -6u
-28 + 3u = (6 * -5 + -3u * -5) + -6u
-28 + 3u = (-30 + 15u) + -6u

Combine like terms: 15u + -6u = 9u
-28 + 3u = -30 + 9u

Solving
-28 + 3u = -30 + 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.
-28 + 3u + -9u = -30 + 9u + -9u

Combine like terms: 3u + -9u = -6u
-28 + -6u = -30 + 9u + -9u

Combine like terms: 9u + -9u = 0
-28 + -6u = -30 + 0
-28 + -6u = -30

Add '28' to each side of the equation.
-28 + 28 + -6u = -30 + 28

Combine like terms: -28 + 28 = 0
0 + -6u = -30 + 28
-6u = -30 + 28

Combine like terms: -30 + 28 = -2
-6u = -2

Divide each side by '-6'.
u = 0.3333333333

Simplifying
u = 0.3333333333

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