180=a+12a+4(12-A)

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Solution for 180=a+12a+4(12-A) equation:


Simplifying
180 = a + 12a + 4(12 + -1A)
180 = a + 12a + (12 * 4 + -1A * 4)
180 = a + 12a + (48 + -4A)

Reorder the terms:
180 = 48 + -4A + a + 12a

Combine like terms: a + 12a = 13a
180 = 48 + -4A + 13a

Solving
180 = 48 + -4A + 13a

Solving for variable 'A'.

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

Add '4A' to each side of the equation.
180 + 4A = 48 + -4A + 4A + 13a

Combine like terms: -4A + 4A = 0
180 + 4A = 48 + 0 + 13a
180 + 4A = 48 + 13a

Add '-180' to each side of the equation.
180 + -180 + 4A = 48 + -180 + 13a

Combine like terms: 180 + -180 = 0
0 + 4A = 48 + -180 + 13a
4A = 48 + -180 + 13a

Combine like terms: 48 + -180 = -132
4A = -132 + 13a

Divide each side by '4'.
A = -33 + 3.25a

Simplifying
A = -33 + 3.25a

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