11+A=18+a+21

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Solution for 11+A=18+a+21 equation:


Simplifying
11 + A = 18 + a + 21

Reorder the terms:
11 + A = 18 + 21 + a

Combine like terms: 18 + 21 = 39
11 + A = 39 + a

Solving
11 + A = 39 + a

Solving for variable 'A'.

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

Add '-11' to each side of the equation.
11 + -11 + A = 39 + -11 + a

Combine like terms: 11 + -11 = 0
0 + A = 39 + -11 + a
A = 39 + -11 + a

Combine like terms: 39 + -11 = 28
A = 28 + a

Simplifying
A = 28 + a

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