-20+9b=20+9b+4b

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Solution for -20+9b=20+9b+4b equation:


Simplifying
-20 + 9b = 20 + 9b + 4b

Combine like terms: 9b + 4b = 13b
-20 + 9b = 20 + 13b

Solving
-20 + 9b = 20 + 13b

Solving for variable 'b'.

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

Add '-13b' to each side of the equation.
-20 + 9b + -13b = 20 + 13b + -13b

Combine like terms: 9b + -13b = -4b
-20 + -4b = 20 + 13b + -13b

Combine like terms: 13b + -13b = 0
-20 + -4b = 20 + 0
-20 + -4b = 20

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

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

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

Divide each side by '-4'.
b = -10

Simplifying
b = -10

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