2u-9=u-8

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Solution for 2u-9=u-8 equation:


Simplifying
2u + -9 = u + -8
Reorder the terms:
-9 + 2u = u + -8
Reorder the terms:
-9 + 2u = -8 + u
Solving
-9 + 2u = -8 + 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.
-9 + 2u + -1u = -8 + u + -1u
Combine like terms: 2u + -1u = 1u
-9 + 1u = -8 + u + -1u
Combine like terms: u + -1u = 0
-9 + 1u = -8 + 0
-9 + 1u = -8
Add '9' to each side of the equation.
-9 + 9 + 1u = -8 + 9
Combine like terms: -9 + 9 = 0
0 + 1u = -8 + 9
1u = -8 + 9
Combine like terms: -8 + 9 = 1
1u = 1
Divide each side by '1'.
u = 1
Simplifying
u = 1

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