3b+4=56-13

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Solution for 3b+4=56-13 equation: 


Simplifying
3b + 4 = 56 + -13

Reorder the terms:
4 + 3b = 56 + -13

Combine like terms: 56 + -13 = 43
4 + 3b = 43

Solving
4 + 3b = 43

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + 3b = 43 + -4

Combine like terms: 4 + -4 = 0
0 + 3b = 43 + -4
3b = 43 + -4

Combine like terms: 43 + -4 = 39
3b = 39

Divide each side by '3'.
b = 13

Simplifying
b = 13

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