1.7+6.9=6.1u-5.1u+.9

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Solution for 1.7+6.9=6.1u-5.1u+.9 equation:


Simplifying
1.7 + 6.9 = 6.1u + -5.1u + 0.9

Combine like terms: 1.7 + 6.9 = 8.6
8.6 = 6.1u + -5.1u + 0.9

Reorder the terms:
8.6 = 0.9 + 6.1u + -5.1u

Combine like terms: 6.1u + -5.1u = 1u
8.6 = 0.9 + 1u

Solving
8.6 = 0.9 + 1u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
8.6 + -1u = 0.9 + 1u + -1u

Combine like terms: 1u + -1u = 0
8.6 + -1u = 0.9 + 0
8.6 + -1u = 0.9

Add '-8.6' to each side of the equation.
8.6 + -8.6 + -1u = 0.9 + -8.6

Combine like terms: 8.6 + -8.6 = 0.0
0.0 + -1u = 0.9 + -8.6
-1u = 0.9 + -8.6

Combine like terms: 0.9 + -8.6 = -7.7
-1u = -7.7

Divide each side by '-1'.
u = 7.7

Simplifying
u = 7.7

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