a+(A-4)=(A-5)-(A+1)

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Solution for a+(A-4)=(A-5)-(A+1) equation:


Simplifying
a + (A + -4) = (A + -5) + -1(A + 1)

Reorder the terms:
a + (-4 + A) = (A + -5) + -1(A + 1)

Remove parenthesis around (-4 + A)
a + -4 + A = (A + -5) + -1(A + 1)

Reorder the terms:
-4 + A + a = (A + -5) + -1(A + 1)

Reorder the terms:
-4 + A + a = (-5 + A) + -1(A + 1)

Remove parenthesis around (-5 + A)
-4 + A + a = -5 + A + -1(A + 1)

Reorder the terms:
-4 + A + a = -5 + A + -1(1 + A)
-4 + A + a = -5 + A + (1 * -1 + A * -1)
-4 + A + a = -5 + A + (-1 + -1A)

Reorder the terms:
-4 + A + a = -5 + -1 + A + -1A

Combine like terms: -5 + -1 = -6
-4 + A + a = -6 + A + -1A

Combine like terms: A + -1A = 0
-4 + A + a = -6 + 0
-4 + A + a = -6

Solving
-4 + A + a = -6

Solving for variable 'A'.

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

Add '4' to each side of the equation.
-4 + A + 4 + a = -6 + 4

Reorder the terms:
-4 + 4 + A + a = -6 + 4

Combine like terms: -4 + 4 = 0
0 + A + a = -6 + 4
A + a = -6 + 4

Combine like terms: -6 + 4 = -2
A + a = -2

Add '-1a' to each side of the equation.
A + a + -1a = -2 + -1a

Combine like terms: a + -1a = 0
A + 0 = -2 + -1a
A = -2 + -1a

Simplifying
A = -2 + -1a

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