2-8u=2u+9

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


Simplifying
2 + -8u = 2u + 9

Reorder the terms:
2 + -8u = 9 + 2u

Solving
2 + -8u = 9 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
2 + -8u + -2u = 9 + 2u + -2u

Combine like terms: -8u + -2u = -10u
2 + -10u = 9 + 2u + -2u

Combine like terms: 2u + -2u = 0
2 + -10u = 9 + 0
2 + -10u = 9

Add '-2' to each side of the equation.
2 + -2 + -10u = 9 + -2

Combine like terms: 2 + -2 = 0
0 + -10u = 9 + -2
-10u = 9 + -2

Combine like terms: 9 + -2 = 7
-10u = 7

Divide each side by '-10'.
u = -0.7

Simplifying
u = -0.7

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