=7u-5i+8i-u

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Solution for =7u-5i+8i-u equation:


Simplifying
0 = 7u + -5i + 8i + -1u

Reorder the terms:
0 = -5i + 8i + 7u + -1u

Combine like terms: -5i + 8i = 3i
0 = 3i + 7u + -1u

Combine like terms: 7u + -1u = 6u
0 = 3i + 6u

Solving
0 = 3i + 6u

Solving for variable 'i'.

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

Add '-3i' to each side of the equation.
0 + -3i = 3i + -3i + 6u
Remove the zero:
-3i = 3i + -3i + 6u

Combine like terms: 3i + -3i = 0
-3i = 0 + 6u
-3i = 6u

Divide each side by '-3'.
i = -2u

Simplifying
i = -2u

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