7-u=23+4u

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Solution for 7-u=23+4u equation:


Simplifying
7 + -1u = 23 + 4u

Solving
7 + -1u = 23 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
7 + -1u + -4u = 23 + 4u + -4u

Combine like terms: -1u + -4u = -5u
7 + -5u = 23 + 4u + -4u

Combine like terms: 4u + -4u = 0
7 + -5u = 23 + 0
7 + -5u = 23

Add '-7' to each side of the equation.
7 + -7 + -5u = 23 + -7

Combine like terms: 7 + -7 = 0
0 + -5u = 23 + -7
-5u = 23 + -7

Combine like terms: 23 + -7 = 16
-5u = 16

Divide each side by '-5'.
u = -3.2

Simplifying
u = -3.2

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