38-b=42

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Solution for 38-b=42 equation: 


Simplifying
38 + -1b = 42

Solving
38 + -1b = 42

Solving for variable 'b'.

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

Add '-38' to each side of the equation.
38 + -38 + -1b = 42 + -38

Combine like terms: 38 + -38 = 0
0 + -1b = 42 + -38
-1b = 42 + -38

Combine like terms: 42 + -38 = 4
-1b = 4

Divide each side by '-1'.
b = -4

Simplifying
b = -4

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