3=9-3b

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Solution for 3=9-3b equation:


Simplifying
3 = 9 + -3b

Solving
3 = 9 + -3b

Solving for variable 'b'.

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

Add '3b' to each side of the equation.
3 + 3b = 9 + -3b + 3b

Combine like terms: -3b + 3b = 0
3 + 3b = 9 + 0
3 + 3b = 9

Add '-3' to each side of the equation.
3 + -3 + 3b = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 3b = 9 + -3
3b = 9 + -3

Combine like terms: 9 + -3 = 6
3b = 6

Divide each side by '3'.
b = 2

Simplifying
b = 2

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