73=b-42

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Solution for 73=b-42 equation:


Simplifying
73 = b + -42

Reorder the terms:
73 = -42 + b

Solving
73 = -42 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
73 + -1b = -42 + b + -1b

Combine like terms: b + -1b = 0
73 + -1b = -42 + 0
73 + -1b = -42

Add '-73' to each side of the equation.
73 + -73 + -1b = -42 + -73

Combine like terms: 73 + -73 = 0
0 + -1b = -42 + -73
-1b = -42 + -73

Combine like terms: -42 + -73 = -115
-1b = -115

Divide each side by '-1'.
b = 115

Simplifying
b = 115

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