3x-b=x+20

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Solution for 3x-b=x+20 equation:


Simplifying
3x + -1b = x + 20

Reorder the terms:
-1b + 3x = x + 20

Reorder the terms:
-1b + 3x = 20 + x

Solving
-1b + 3x = 20 + x

Solving for variable 'b'.

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

Add '-3x' to each side of the equation.
-1b + 3x + -3x = 20 + x + -3x

Combine like terms: 3x + -3x = 0
-1b + 0 = 20 + x + -3x
-1b = 20 + x + -3x

Combine like terms: x + -3x = -2x
-1b = 20 + -2x

Divide each side by '-1'.
b = -20 + 2x

Simplifying
b = -20 + 2x

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