12b+4a=20

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Solution for 12b+4a=20 equation: 


Simplifying
12b + 4a = 20

Reorder the terms:
4a + 12b = 20

Solving
4a + 12b = 20

Solving for variable 'a'.

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

Add '-12b' to each side of the equation.
4a + 12b + -12b = 20 + -12b

Combine like terms: 12b + -12b = 0
4a + 0 = 20 + -12b
4a = 20 + -12b

Divide each side by '4'.
a = 5 + -3b

Simplifying
a = 5 + -3b

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