A+3b=45

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Solution for A+3b=45 equation: 


Simplifying
A + 3b = 45

Solving
A + 3b = 45

Solving for variable 'A'.

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

Add '-3b' to each side of the equation.
A + 3b + -3b = 45 + -3b

Combine like terms: 3b + -3b = 0
A + 0 = 45 + -3b
A = 45 + -3b

Simplifying
A = 45 + -3b

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