-40=b-20

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Solution for -40=b-20 equation:


Simplifying
-40 = b + -20

Reorder the terms:
-40 = -20 + b

Solving
-40 = -20 + 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.
-40 + -1b = -20 + b + -1b

Combine like terms: b + -1b = 0
-40 + -1b = -20 + 0
-40 + -1b = -20

Add '40' to each side of the equation.
-40 + 40 + -1b = -20 + 40

Combine like terms: -40 + 40 = 0
0 + -1b = -20 + 40
-1b = -20 + 40

Combine like terms: -20 + 40 = 20
-1b = 20

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

Simplifying
b = -20

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