-1+2b=-7

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


Simplifying
-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 = -6
2b = -6

Divide each side by '2'.
b = -3

Simplifying
b = -3

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