I-2I+2*8-5*4=

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Solution for I-2I+2*8-5*4= equation:


Simplifying
I + -2I + 2 * 8 + -5 * 4 = 0

Multiply 2 * 8
I + -2I + 16 + -5 * 4 = 0

Multiply -5 * 4
I + -2I + 16 + -20 = 0

Reorder the terms:
16 + -20 + I + -2I = 0

Combine like terms: 16 + -20 = -4
-4 + I + -2I = 0

Combine like terms: I + -2I = -1I
-4 + -1I = 0

Solving
-4 + -1I = 0

Solving for variable 'I'.

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

Add '4' to each side of the equation.
-4 + 4 + -1I = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1I = 0 + 4
-1I = 0 + 4

Combine like terms: 0 + 4 = 4
-1I = 4

Divide each side by '-1'.
I = -4

Simplifying
I = -4

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