-1+-2B+2=9

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Solution for -1+-2B+2=9 equation: 


Simplifying
-1 + -2B + 2 = 9

Reorder the terms:
-1 + 2 + -2B = 9

Combine like terms: -1 + 2 = 1
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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