a+3a+b=

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Solution for a+3a+b= equation: 


Simplifying
a + 3a + b = 0

Combine like terms: a + 3a = 4a
4a + b = 0

Solving
4a + b = 0

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
4a + b + -1b = 0 + -1b

Combine like terms: b + -1b = 0
4a + 0 = 0 + -1b
4a = 0 + -1b
Remove the zero:
4a = -1b

Divide each side by '4'.
a = -0.25b

Simplifying
a = -0.25b

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