2-b=13

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Solution for 2-b=13 equation: 


Simplifying
2 + -1b = 13

Solving
2 + -1b = 13

Solving for variable 'b'.

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

Add '-2' to each side of the equation.
2 + -2 + -1b = 13 + -2

Combine like terms: 2 + -2 = 0
0 + -1b = 13 + -2
-1b = 13 + -2

Combine like terms: 13 + -2 = 11
-1b = 11

Divide each side by '-1'.
b = -11

Simplifying
b = -11

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