2.65+8.6u=7.2u-5.15+0.4u

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Solution for 2.65+8.6u=7.2u-5.15+0.4u equation: 


Simplifying
2.65 + 8.6u = 7.2u + -5.15 + 0.4u

Reorder the terms:
2.65 + 8.6u = -5.15 + 7.2u + 0.4u

Combine like terms: 7.2u + 0.4u = 7.6u
2.65 + 8.6u = -5.15 + 7.6u

Solving
2.65 + 8.6u = -5.15 + 7.6u

Solving for variable 'u'.

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

Add '-7.6u' to each side of the equation.
2.65 + 8.6u + -7.6u = -5.15 + 7.6u + -7.6u

Combine like terms: 8.6u + -7.6u = 1u
2.65 + 1u = -5.15 + 7.6u + -7.6u

Combine like terms: 7.6u + -7.6u = 0.0
2.65 + 1u = -5.15 + 0.0
2.65 + 1u = -5.15

Add '-2.65' to each side of the equation.
2.65 + -2.65 + 1u = -5.15 + -2.65

Combine like terms: 2.65 + -2.65 = 0.00
0.00 + 1u = -5.15 + -2.65
1u = -5.15 + -2.65

Combine like terms: -5.15 + -2.65 = -7.8
1u = -7.8

Divide each side by '1'.
u = -7.8

Simplifying
u = -7.8

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