5u-7-7u+4=

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


Simplifying
5u + -7 + -7u + 4 = 0

Reorder the terms:
-7 + 4 + 5u + -7u = 0

Combine like terms: -7 + 4 = -3
-3 + 5u + -7u = 0

Combine like terms: 5u + -7u = -2u
-3 + -2u = 0

Solving
-3 + -2u = 0

Solving for variable 'u'.

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

Add '3' to each side of the equation.
-3 + 3 + -2u = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -2u = 0 + 3
-2u = 0 + 3

Combine like terms: 0 + 3 = 3
-2u = 3

Divide each side by '-2'.
u = -1.5

Simplifying
u = -1.5

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