16=b-4

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Solution for 16=b-4 equation:


Simplifying
16 = b + -4

Reorder the terms:
16 = -4 + b

Solving
16 = -4 + 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.
16 + -1b = -4 + b + -1b

Combine like terms: b + -1b = 0
16 + -1b = -4 + 0
16 + -1b = -4

Add '-16' to each side of the equation.
16 + -16 + -1b = -4 + -16

Combine like terms: 16 + -16 = 0
0 + -1b = -4 + -16
-1b = -4 + -16

Combine like terms: -4 + -16 = -20
-1b = -20

Divide each side by '-1'.
b = 20

Simplifying
b = 20

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