ax+b=3b

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Solution for ax+b=3b equation: 


Simplifying
ax + b = 3b

Solving
ax + b = 3b

Solving for variable 'a'.

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

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

Combine like terms: b + -1b = 0
ax + 0 = 3b + -1b
ax = 3b + -1b

Combine like terms: 3b + -1b = 2b
ax = 2b

Divide each side by 'x'.
a = 2bx-1

Simplifying
a = 2bx-1

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