3A+12-16A=-9

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Solution for 3A+12-16A=-9 equation: 


Simplifying
3A + 12 + -16A = -9

Reorder the terms:
12 + 3A + -16A = -9

Combine like terms: 3A + -16A = -13A
12 + -13A = -9

Solving
12 + -13A = -9

Solving for variable 'A'.

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

Add '-12' to each side of the equation.
12 + -12 + -13A = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -13A = -9 + -12
-13A = -9 + -12

Combine like terms: -9 + -12 = -21
-13A = -21

Divide each side by '-13'.
A = 1.615384615

Simplifying
A = 1.615384615

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