3b+9=6b-3

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Solution for 3b+9=6b-3 equation:


Simplifying
3b + 9 = 6b + -3

Reorder the terms:
9 + 3b = 6b + -3

Reorder the terms:
9 + 3b = -3 + 6b

Solving
9 + 3b = -3 + 6b

Solving for variable 'b'.

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

Add '-6b' to each side of the equation.
9 + 3b + -6b = -3 + 6b + -6b

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

Combine like terms: 6b + -6b = 0
9 + -3b = -3 + 0
9 + -3b = -3

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

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

Combine like terms: -3 + -9 = -12
-3b = -12

Divide each side by '-3'.
b = 4

Simplifying
b = 4

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