15a+20b=4

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Solution for 15a+20b=4 equation: 


Simplifying
15a + 20b = 4

Solving
15a + 20b = 4

Solving for variable 'a'.

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

Add '-20b' to each side of the equation.
15a + 20b + -20b = 4 + -20b

Combine like terms: 20b + -20b = 0
15a + 0 = 4 + -20b
15a = 4 + -20b

Divide each side by '15'.
a = 0.2666666667 + -1.333333333b

Simplifying
a = 0.2666666667 + -1.333333333b

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