3b-7=56

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Solution for 3b-7=56 equation: 


Simplifying
3b + -7 = 56

Reorder the terms:
-7 + 3b = 56

Solving
-7 + 3b = 56

Solving for variable 'b'.

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

Add '7' to each side of the equation.
-7 + 7 + 3b = 56 + 7

Combine like terms: -7 + 7 = 0
0 + 3b = 56 + 7
3b = 56 + 7

Combine like terms: 56 + 7 = 63
3b = 63

Divide each side by '3'.
b = 21

Simplifying
b = 21

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