Ax-b=7c

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Solution for Ax-b=7c equation: 


Simplifying
Ax + -1b = 7c

Reorder the terms:
-1b + xA = 7c

Solving
-1b + xA = 7c

Solving for variable 'b'.

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

Add '-1xA' to each side of the equation.
-1b + xA + -1xA = 7c + -1xA

Combine like terms: xA + -1xA = 0
-1b + 0 = 7c + -1xA
-1b = 7c + -1xA

Divide each side by '-1'.
b = -7c + xA

Simplifying
b = -7c + xA

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