(A+3)(a+12)=90

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Solution for (A+3)(a+12)=90 equation:


Simplifying
(A + 3)(a + 12) = 90

Reorder the terms:
(3 + A)(a + 12) = 90

Reorder the terms:
(3 + A)(12 + a) = 90

Multiply (3 + A) * (12 + a)
(3(12 + a) + A(12 + a)) = 90
((12 * 3 + a * 3) + A(12 + a)) = 90
((36 + 3a) + A(12 + a)) = 90
(36 + 3a + (12 * A + a * A)) = 90
(36 + 3a + (12A + aA)) = 90

Reorder the terms:
(36 + 12A + 3a + aA) = 90
(36 + 12A + 3a + aA) = 90

Solving
36 + 12A + 3a + aA = 90

Solving for variable 'A'.

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

Add '-36' to each side of the equation.
36 + 12A + 3a + -36 + aA = 90 + -36

Reorder the terms:
36 + -36 + 12A + 3a + aA = 90 + -36

Combine like terms: 36 + -36 = 0
0 + 12A + 3a + aA = 90 + -36
12A + 3a + aA = 90 + -36

Combine like terms: 90 + -36 = 54
12A + 3a + aA = 54

Add '-3a' to each side of the equation.
12A + 3a + -3a + aA = 54 + -3a

Combine like terms: 3a + -3a = 0
12A + 0 + aA = 54 + -3a
12A + aA = 54 + -3a

Reorder the terms:
-54 + 12A + 3a + aA = 54 + -3a + -54 + 3a

Reorder the terms:
-54 + 12A + 3a + aA = 54 + -54 + -3a + 3a

Combine like terms: 54 + -54 = 0
-54 + 12A + 3a + aA = 0 + -3a + 3a
-54 + 12A + 3a + aA = -3a + 3a

Combine like terms: -3a + 3a = 0
-54 + 12A + 3a + aA = 0

The solution to this equation could not be determined.

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