7(x+3a)=b

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Solution for 7(x+3a)=b equation:


Simplifying
7(x + 3a) = b

Reorder the terms:
7(3a + x) = b
(3a * 7 + x * 7) = b
(21a + 7x) = b

Solving
21a + 7x = b

Solving for variable 'a'.

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

Add '-7x' to each side of the equation.
21a + 7x + -7x = b + -7x

Combine like terms: 7x + -7x = 0
21a + 0 = b + -7x
21a = b + -7x

Divide each side by '21'.
a = 0.04761904762b + -0.3333333333x

Simplifying
a = 0.04761904762b + -0.3333333333x

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