A+ab+abc+abcd=1992

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Solution for A+ab+abc+abcd=1992 equation:


Simplifying
A + ab + abc + abcd = 1992

Solving
A + ab + abc + abcd = 1992

Solving for variable 'A'.

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

Add '-1ab' to each side of the equation.
A + ab + abc + -1ab + abcd = 1992 + -1ab

Reorder the terms:
A + ab + -1ab + abc + abcd = 1992 + -1ab

Combine like terms: ab + -1ab = 0
A + 0 + abc + abcd = 1992 + -1ab
A + abc + abcd = 1992 + -1ab

Add '-1abc' to each side of the equation.
A + abc + -1abc + abcd = 1992 + -1ab + -1abc

Combine like terms: abc + -1abc = 0
A + 0 + abcd = 1992 + -1ab + -1abc
A + abcd = 1992 + -1ab + -1abc

Add '-1abcd' to each side of the equation.
A + abcd + -1abcd = 1992 + -1ab + -1abc + -1abcd

Combine like terms: abcd + -1abcd = 0
A + 0 = 1992 + -1ab + -1abc + -1abcd
A = 1992 + -1ab + -1abc + -1abcd

Simplifying
A = 1992 + -1ab + -1abc + -1abcd

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