4b-I=7

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Solution for 4b-I=7 equation: 


Simplifying
4b + -1I = 7

Reorder the terms:
-1I + 4b = 7

Solving
-1I + 4b = 7

Solving for variable 'I'.

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

Add '-4b' to each side of the equation.
-1I + 4b + -4b = 7 + -4b

Combine like terms: 4b + -4b = 0
-1I + 0 = 7 + -4b
-1I = 7 + -4b

Divide each side by '-1'.
I = -7 + 4b

Simplifying
I = -7 + 4b

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