12=a(20-0)(20-180)

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Solution for 12=a(20-0)(20-180) equation:


Simplifying
12 = a(20 + 0)(20 + -180)

Combine like terms: 20 + 0 = 20
12 = a(20)(20 + -180)

Combine like terms: 20 + -180 = -160
12 = a * 20(-160)

Reorder the terms for easier multiplication:
12 = 20 * -160a

Multiply 20 * -160
12 = -3200a

Solving
12 = -3200a

Solving for variable 'a'.

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

Add '3200a' to each side of the equation.
12 + 3200a = -3200a + 3200a

Combine like terms: -3200a + 3200a = 0
12 + 3200a = 0

Add '-12' to each side of the equation.
12 + -12 + 3200a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 3200a = 0 + -12
3200a = 0 + -12

Combine like terms: 0 + -12 = -12
3200a = -12

Divide each side by '3200'.
a = -0.00375

Simplifying
a = -0.00375

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