3a+5=13

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Solution for 3a+5=13 equation: 


Simplifying
3a + 5 = 13

Reorder the terms:
5 + 3a = 13

Solving
5 + 3a = 13

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 3a = 13 + -5

Combine like terms: 5 + -5 = 0
0 + 3a = 13 + -5
3a = 13 + -5

Combine like terms: 13 + -5 = 8
3a = 8

Divide each side by '3'.
a = 2.666666667

Simplifying
a = 2.666666667

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