5a+7b=39

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Solution for 5a+7b=39 equation: 


Simplifying
5a + 7b = 39

Solving
5a + 7b = 39

Solving for variable 'a'.

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

Add '-7b' to each side of the equation.
5a + 7b + -7b = 39 + -7b

Combine like terms: 7b + -7b = 0
5a + 0 = 39 + -7b
5a = 39 + -7b

Divide each side by '5'.
a = 7.8 + -1.4b

Simplifying
a = 7.8 + -1.4b

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