A-20a-100=121

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Solution for A-20a-100=121 equation:


Simplifying
A + -20a + -100 = 121

Reorder the terms:
-100 + A + -20a = 121

Solving
-100 + A + -20a = 121

Solving for variable 'A'.

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

Add '100' to each side of the equation.
-100 + A + 100 + -20a = 121 + 100

Reorder the terms:
-100 + 100 + A + -20a = 121 + 100

Combine like terms: -100 + 100 = 0
0 + A + -20a = 121 + 100
A + -20a = 121 + 100

Combine like terms: 121 + 100 = 221
A + -20a = 221

Add '20a' to each side of the equation.
A + -20a + 20a = 221 + 20a

Combine like terms: -20a + 20a = 0
A + 0 = 221 + 20a
A = 221 + 20a

Simplifying
A = 221 + 20a

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