23=-8u-7+2u

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Solution for 23=-8u-7+2u equation:


Simplifying
23 = -8u + -7 + 2u

Reorder the terms:
23 = -7 + -8u + 2u

Combine like terms: -8u + 2u = -6u
23 = -7 + -6u

Solving
23 = -7 + -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.
23 + 6u = -7 + -6u + 6u

Combine like terms: -6u + 6u = 0
23 + 6u = -7 + 0
23 + 6u = -7

Add '-23' to each side of the equation.
23 + -23 + 6u = -7 + -23

Combine like terms: 23 + -23 = 0
0 + 6u = -7 + -23
6u = -7 + -23

Combine like terms: -7 + -23 = -30
6u = -30

Divide each side by '6'.
u = -5

Simplifying
u = -5

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