-100=b+[-72]

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Solution for -100=b+[-72] equation:


Simplifying
-100 = b + [-72]
-100 = b + -72

Reorder the terms:
-100 = -72 + b

Solving
-100 = -72 + 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.
-100 + -1b = -72 + b + -1b

Combine like terms: b + -1b = 0
-100 + -1b = -72 + 0
-100 + -1b = -72

Add '100' to each side of the equation.
-100 + 100 + -1b = -72 + 100

Combine like terms: -100 + 100 = 0
0 + -1b = -72 + 100
-1b = -72 + 100

Combine like terms: -72 + 100 = 28
-1b = 28

Divide each side by '-1'.
b = -28

Simplifying
b = -28

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