12b+3b+2a+3a=

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Solution for 12b+3b+2a+3a= equation:


Simplifying
12b + 3b + 2a + 3a = 0

Reorder the terms:
2a + 3a + 12b + 3b = 0

Combine like terms: 2a + 3a = 5a
5a + 12b + 3b = 0

Combine like terms: 12b + 3b = 15b
5a + 15b = 0

Solving
5a + 15b = 0

Solving for variable 'a'.

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

Add '-15b' to each side of the equation.
5a + 15b + -15b = 0 + -15b

Combine like terms: 15b + -15b = 0
5a + 0 = 0 + -15b
5a = 0 + -15b
Remove the zero:
5a = -15b

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

Simplifying
a = -3b

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