20b-20=16b-40

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Solution for 20b-20=16b-40 equation:


Simplifying
20b + -20 = 16b + -40

Reorder the terms:
-20 + 20b = 16b + -40

Reorder the terms:
-20 + 20b = -40 + 16b

Solving
-20 + 20b = -40 + 16b

Solving for variable 'b'.

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

Add '-16b' to each side of the equation.
-20 + 20b + -16b = -40 + 16b + -16b

Combine like terms: 20b + -16b = 4b
-20 + 4b = -40 + 16b + -16b

Combine like terms: 16b + -16b = 0
-20 + 4b = -40 + 0
-20 + 4b = -40

Add '20' to each side of the equation.
-20 + 20 + 4b = -40 + 20

Combine like terms: -20 + 20 = 0
0 + 4b = -40 + 20
4b = -40 + 20

Combine like terms: -40 + 20 = -20
4b = -20

Divide each side by '4'.
b = -5

Simplifying
b = -5

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