25-4=7xis

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Solution for 25-4=7xis equation:


Simplifying
25 + -4 = 7xis

Combine like terms: 25 + -4 = 21
21 = 7xis

Solving
21 = 7isx

Solving for variable 'i'.

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

Add '-7isx' to each side of the equation.
21 + -7isx = 7isx + -7isx

Combine like terms: 7isx + -7isx = 0
21 + -7isx = 0

Add '-21' to each side of the equation.
21 + -21 + -7isx = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -7isx = 0 + -21
-7isx = 0 + -21

Combine like terms: 0 + -21 = -21
-7isx = -21

Divide each side by '-7sx'.
i = 3s-1x-1

Simplifying
i = 3s-1x-1

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