3a+b+13=

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Solution for 3a+b+13= equation:


Simplifying
3a + b + 13 = 0

Reorder the terms:
13 + 3a + b = 0

Solving
13 + 3a + b = 0

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + 3a + -13 + b = 0 + -13

Reorder the terms:
13 + -13 + 3a + b = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 3a + b = 0 + -13
3a + b = 0 + -13

Combine like terms: 0 + -13 = -13
3a + b = -13

Add '-1b' to each side of the equation.
3a + b + -1b = -13 + -1b

Combine like terms: b + -1b = 0
3a + 0 = -13 + -1b
3a = -13 + -1b

Divide each side by '3'.
a = -4.333333333 + -0.3333333333b

Simplifying
a = -4.333333333 + -0.3333333333b

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