-2b+5=20

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Solution for -2b+5=20 equation: 


Simplifying
-2b + 5 = 20

Reorder the terms:
5 + -2b = 20

Solving
5 + -2b = 20

Solving for variable 'b'.

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

Add '-5' to each side of the equation.
5 + -5 + -2b = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -2b = 20 + -5
-2b = 20 + -5

Combine like terms: 20 + -5 = 15
-2b = 15

Divide each side by '-2'.
b = -7.5

Simplifying
b = -7.5

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