5a+3b=42

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Solution for 5a+3b=42 equation: 


Simplifying
5a + 3b = 42

Solving
5a + 3b = 42

Solving for variable 'a'.

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

Add '-3b' to each side of the equation.
5a + 3b + -3b = 42 + -3b

Combine like terms: 3b + -3b = 0
5a + 0 = 42 + -3b
5a = 42 + -3b

Divide each side by '5'.
a = 8.4 + -0.6b

Simplifying
a = 8.4 + -0.6b

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