(A-21)-100=

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Solution for (A-21)-100= equation:


Simplifying
(A + -21) + -100 = 0

Reorder the terms:
(-21 + A) + -100 = 0

Remove parenthesis around (-21 + A)
-21 + A + -100 = 0

Reorder the terms:
-21 + -100 + A = 0

Combine like terms: -21 + -100 = -121
-121 + A = 0

Solving
-121 + A = 0

Solving for variable 'A'.

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

Add '121' to each side of the equation.
-121 + 121 + A = 0 + 121

Combine like terms: -121 + 121 = 0
0 + A = 0 + 121
A = 0 + 121

Combine like terms: 0 + 121 = 121
A = 121

Simplifying
A = 121

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