-3=2b+9

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Solution for -3=2b+9 equation:


Simplifying
-3 = 2b + 9

Reorder the terms:
-3 = 9 + 2b

Solving
-3 = 9 + 2b

Solving for variable 'b'.

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

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

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

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

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

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

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

Simplifying
b = -6

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