-23=4(u-3)+7u

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Solution for -23=4(u-3)+7u equation:


Simplifying
-23 = 4(u + -3) + 7u

Reorder the terms:
-23 = 4(-3 + u) + 7u
-23 = (-3 * 4 + u * 4) + 7u
-23 = (-12 + 4u) + 7u

Combine like terms: 4u + 7u = 11u
-23 = -12 + 11u

Solving
-23 = -12 + 11u

Solving for variable 'u'.

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

Add '-11u' to each side of the equation.
-23 + -11u = -12 + 11u + -11u

Combine like terms: 11u + -11u = 0
-23 + -11u = -12 + 0
-23 + -11u = -12

Add '23' to each side of the equation.
-23 + 23 + -11u = -12 + 23

Combine like terms: -23 + 23 = 0
0 + -11u = -12 + 23
-11u = -12 + 23

Combine like terms: -12 + 23 = 11
-11u = 11

Divide each side by '-11'.
u = -1

Simplifying
u = -1

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