-u-7=-5u

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


Simplifying
-1u + -7 = -5u

Reorder the terms:
-7 + -1u = -5u

Solving
-7 + -1u = -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
-7 + -1u + 5u = -5u + 5u

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

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

Add '7' to each side of the equation.
-7 + 7 + 4u = 0 + 7

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

Combine like terms: 0 + 7 = 7
4u = 7

Divide each side by '4'.
u = 1.75

Simplifying
u = 1.75

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