2b-3=18

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Solution for 2b-3=18 equation: 


Simplifying
2b + -3 = 18

Reorder the terms:
-3 + 2b = 18

Solving
-3 + 2b = 18

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + 2b = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 2b = 18 + 3
2b = 18 + 3

Combine like terms: 18 + 3 = 21
2b = 21

Divide each side by '2'.
b = 10.5

Simplifying
b = 10.5

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