18b-11=20b+9

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Solution for 18b-11=20b+9 equation:


Simplifying
18b + -11 = 20b + 9

Reorder the terms:
-11 + 18b = 20b + 9

Reorder the terms:
-11 + 18b = 9 + 20b

Solving
-11 + 18b = 9 + 20b

Solving for variable 'b'.

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

Add '-20b' to each side of the equation.
-11 + 18b + -20b = 9 + 20b + -20b

Combine like terms: 18b + -20b = -2b
-11 + -2b = 9 + 20b + -20b

Combine like terms: 20b + -20b = 0
-11 + -2b = 9 + 0
-11 + -2b = 9

Add '11' to each side of the equation.
-11 + 11 + -2b = 9 + 11

Combine like terms: -11 + 11 = 0
0 + -2b = 9 + 11
-2b = 9 + 11

Combine like terms: 9 + 11 = 20
-2b = 20

Divide each side by '-2'.
b = -10

Simplifying
b = -10

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