u-3-2u=u+13

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Solution for u-3-2u=u+13 equation:


Simplifying
u + -3 + -2u = u + 13

Reorder the terms:
-3 + u + -2u = u + 13

Combine like terms: u + -2u = -1u
-3 + -1u = u + 13

Reorder the terms:
-3 + -1u = 13 + u

Solving
-3 + -1u = 13 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-3 + -1u + -1u = 13 + u + -1u

Combine like terms: -1u + -1u = -2u
-3 + -2u = 13 + u + -1u

Combine like terms: u + -1u = 0
-3 + -2u = 13 + 0
-3 + -2u = 13

Add '3' to each side of the equation.
-3 + 3 + -2u = 13 + 3

Combine like terms: -3 + 3 = 0
0 + -2u = 13 + 3
-2u = 13 + 3

Combine like terms: 13 + 3 = 16
-2u = 16

Divide each side by '-2'.
u = -8

Simplifying
u = -8

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