7a+3b=1

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Solution for 7a+3b=1 equation: 


Simplifying
7a + 3b = 1

Solving
7a + 3b = 1

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.
7a + 3b + -3b = 1 + -3b

Combine like terms: 3b + -3b = 0
7a + 0 = 1 + -3b
7a = 1 + -3b

Divide each side by '7'.
a = 0.1428571429 + -0.4285714286b

Simplifying
a = 0.1428571429 + -0.4285714286b

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