-9+39=-6(u-7)

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Solution for -9+39=-6(u-7) equation:


Simplifying
-9 + 39 = -6(u + -7)

Combine like terms: -9 + 39 = 30
30 = -6(u + -7)

Reorder the terms:
30 = -6(-7 + u)
30 = (-7 * -6 + u * -6)
30 = (42 + -6u)

Solving
30 = 42 + -6u

Solving for variable 'u'.

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

Add '6u' to each side of the equation.
30 + 6u = 42 + -6u + 6u

Combine like terms: -6u + 6u = 0
30 + 6u = 42 + 0
30 + 6u = 42

Add '-30' to each side of the equation.
30 + -30 + 6u = 42 + -30

Combine like terms: 30 + -30 = 0
0 + 6u = 42 + -30
6u = 42 + -30

Combine like terms: 42 + -30 = 12
6u = 12

Divide each side by '6'.
u = 2

Simplifying
u = 2

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