7i=2i-20

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Solution for 7i=2i-20 equation: 


Simplifying
7i = 2i + -20

Reorder the terms:
7i = -20 + 2i

Solving
7i = -20 + 2i

Solving for variable 'i'.

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

Add '-2i' to each side of the equation.
7i + -2i = -20 + 2i + -2i

Combine like terms: 7i + -2i = 5i
5i = -20 + 2i + -2i

Combine like terms: 2i + -2i = 0
5i = -20 + 0
5i = -20

Divide each side by '5'.
i = -4

Simplifying
i = -4

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