2u+31=5u+40

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Solution for 2u+31=5u+40 equation:


Simplifying
2u + 31 = 5u + 40

Reorder the terms:
31 + 2u = 5u + 40

Reorder the terms:
31 + 2u = 40 + 5u

Solving
31 + 2u = 40 + 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.
31 + 2u + -5u = 40 + 5u + -5u

Combine like terms: 2u + -5u = -3u
31 + -3u = 40 + 5u + -5u

Combine like terms: 5u + -5u = 0
31 + -3u = 40 + 0
31 + -3u = 40

Add '-31' to each side of the equation.
31 + -31 + -3u = 40 + -31

Combine like terms: 31 + -31 = 0
0 + -3u = 40 + -31
-3u = 40 + -31

Combine like terms: 40 + -31 = 9
-3u = 9

Divide each side by '-3'.
u = -3

Simplifying
u = -3

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