Ax+b=x-3

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Solution for Ax+b=x-3 equation: 


Simplifying
Ax + b = x + -3

Reorder the terms:
b + xA = x + -3

Reorder the terms:
b + xA = -3 + x

Solving
b + xA = -3 + x

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.
b + xA + -1xA = -3 + x + -1xA

Combine like terms: xA + -1xA = 0
b + 0 = -3 + x + -1xA
b = -3 + x + -1xA

Simplifying
b = -3 + x + -1xA

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