b(a-4)=c

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Solution for b(a-4)=c equation: 


Simplifying
b(a + -4) = c

Reorder the terms:
b(-4 + a) = c
(-4 * b + a * b) = c

Reorder the terms:
(ab + -4b) = c
(ab + -4b) = c

Solving
ab + -4b = c

Solving for variable 'a'.

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

Add '4b' to each side of the equation.
ab + -4b + 4b = 4b + c

Combine like terms: -4b + 4b = 0
ab + 0 = 4b + c
ab = 4b + c

Divide each side by 'b'.
a = 4 + b-1c

Simplifying
a = 4 + b-1c

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