7[x+a]=b

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Solution for 7[x+a]=b equation: 


Simplifying
7[x + a] = b

Reorder the terms:
7[a + x] = b
[a * 7 + x * 7] = b
[7a + 7x] = b

Solving
7a + 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.
7a + 7x + -7x = b + -7x

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

Divide each side by '7'.
a = 0.1428571429b + -1x

Simplifying
a = 0.1428571429b + -1x

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