-7-2u=-u

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Solution for -7-2u=-u equation:


Simplifying
-7 + -2u = -1u

Solving
-7 + -2u = -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
-7 + -2u + u = -1u + u

Combine like terms: -2u + u = -1u
-7 + -1u = -1u + u

Combine like terms: -1u + u = 0
-7 + -1u = 0

Add '7' to each side of the equation.
-7 + 7 + -1u = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1u = 0 + 7
-1u = 0 + 7

Combine like terms: 0 + 7 = 7
-1u = 7

Divide each side by '-1'.
u = -7

Simplifying
u = -7

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