4-b=2

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Solution for 4-b=2 equation: 


Simplifying
4 + -1b = 2

Solving
4 + -1b = 2

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 + -1b = 2 + -4

Combine like terms: 4 + -4 = 0
0 + -1b = 2 + -4
-1b = 2 + -4

Combine like terms: 2 + -4 = -2
-1b = -2

Divide each side by '-1'.
b = 2

Simplifying
b = 2

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