34-b=13

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Solution for 34-b=13 equation: 


Simplifying
34 + -1b = 13

Solving
34 + -1b = 13

Solving for variable 'b'.

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

Add '-34' to each side of the equation.
34 + -34 + -1b = 13 + -34

Combine like terms: 34 + -34 = 0
0 + -1b = 13 + -34
-1b = 13 + -34

Combine like terms: 13 + -34 = -21
-1b = -21

Divide each side by '-1'.
b = 21

Simplifying
b = 21

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