3b+9=5b-3

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Solution for 3b+9=5b-3 equation:


Simplifying
3b + 9 = 5b + -3

Reorder the terms:
9 + 3b = 5b + -3

Reorder the terms:
9 + 3b = -3 + 5b

Solving
9 + 3b = -3 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
9 + 3b + -5b = -3 + 5b + -5b

Combine like terms: 3b + -5b = -2b
9 + -2b = -3 + 5b + -5b

Combine like terms: 5b + -5b = 0
9 + -2b = -3 + 0
9 + -2b = -3

Add '-9' to each side of the equation.
9 + -9 + -2b = -3 + -9

Combine like terms: 9 + -9 = 0
0 + -2b = -3 + -9
-2b = -3 + -9

Combine like terms: -3 + -9 = -12
-2b = -12

Divide each side by '-2'.
b = 6

Simplifying
b = 6

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