u-4=-7u+5

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Solution for u-4=-7u+5 equation:


Simplifying
u + -4 = -7u + 5

Reorder the terms:
-4 + u = -7u + 5

Reorder the terms:
-4 + u = 5 + -7u

Solving
-4 + u = 5 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
-4 + u + 7u = 5 + -7u + 7u

Combine like terms: u + 7u = 8u
-4 + 8u = 5 + -7u + 7u

Combine like terms: -7u + 7u = 0
-4 + 8u = 5 + 0
-4 + 8u = 5

Add '4' to each side of the equation.
-4 + 4 + 8u = 5 + 4

Combine like terms: -4 + 4 = 0
0 + 8u = 5 + 4
8u = 5 + 4

Combine like terms: 5 + 4 = 9
8u = 9

Divide each side by '8'.
u = 1.125

Simplifying
u = 1.125

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