-2b+1=9

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Solution for -2b+1=9 equation: 


Simplifying
-2b + 1 = 9

Reorder the terms:
1 + -2b = 9

Solving
1 + -2b = 9

Solving for variable 'b'.

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

Add '-1' to each side of the equation.
1 + -1 + -2b = 9 + -1

Combine like terms: 1 + -1 = 0
0 + -2b = 9 + -1
-2b = 9 + -1

Combine like terms: 9 + -1 = 8
-2b = 8

Divide each side by '-2'.
b = -4

Simplifying
b = -4

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