-2b+1=-7

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Solution for -2b+1=-7 equation: 


Simplifying
-2b + 1 = -7

Reorder the terms:
1 + -2b = -7

Solving
1 + -2b = -7

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 = -7 + -1

Combine like terms: 1 + -1 = 0
0 + -2b = -7 + -1
-2b = -7 + -1

Combine like terms: -7 + -1 = -8
-2b = -8

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

Simplifying
b = 4

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