2u+1=3u-8

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Solution for 2u+1=3u-8 equation:


Simplifying
2u + 1 = 3u + -8

Reorder the terms:
1 + 2u = 3u + -8

Reorder the terms:
1 + 2u = -8 + 3u

Solving
1 + 2u = -8 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
1 + 2u + -3u = -8 + 3u + -3u

Combine like terms: 2u + -3u = -1u
1 + -1u = -8 + 3u + -3u

Combine like terms: 3u + -3u = 0
1 + -1u = -8 + 0
1 + -1u = -8

Add '-1' to each side of the equation.
1 + -1 + -1u = -8 + -1

Combine like terms: 1 + -1 = 0
0 + -1u = -8 + -1
-1u = -8 + -1

Combine like terms: -8 + -1 = -9
-1u = -9

Divide each side by '-1'.
u = 9

Simplifying
u = 9

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