13+3a=-3

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Solution for 13+3a=-3 equation: 


Simplifying
13 + 3a = -3

Solving
13 + 3a = -3

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 + -13 + 3a = -3 + -13

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

Combine like terms: -3 + -13 = -16
3a = -16

Divide each side by '3'.
a = -5.333333333

Simplifying
a = -5.333333333

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