8u+40=5u+13

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Solution for 8u+40=5u+13 equation:


Simplifying
8u + 40 = 5u + 13

Reorder the terms:
40 + 8u = 5u + 13

Reorder the terms:
40 + 8u = 13 + 5u

Solving
40 + 8u = 13 + 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.
40 + 8u + -5u = 13 + 5u + -5u

Combine like terms: 8u + -5u = 3u
40 + 3u = 13 + 5u + -5u

Combine like terms: 5u + -5u = 0
40 + 3u = 13 + 0
40 + 3u = 13

Add '-40' to each side of the equation.
40 + -40 + 3u = 13 + -40

Combine like terms: 40 + -40 = 0
0 + 3u = 13 + -40
3u = 13 + -40

Combine like terms: 13 + -40 = -27
3u = -27

Divide each side by '3'.
u = -9

Simplifying
u = -9

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