2b-7b=20

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Solution for 2b-7b=20 equation: 


Simplifying
2b + -7b = 20

Combine like terms: 2b + -7b = -5b
-5b = 20

Solving
-5b = 20

Solving for variable 'b'.

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

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

Simplifying
b = -4

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