5x+3a=13

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Solution for 5x+3a=13 equation: 


Simplifying
5x + 3a = 13

Reorder the terms:
3a + 5x = 13

Solving
3a + 5x = 13

Solving for variable 'a'.

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

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

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

Divide each side by '3'.
a = 4.333333333 + -1.666666667x

Simplifying
a = 4.333333333 + -1.666666667x

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