1-b=-7-2b

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


Simplifying
1 + -1b = -7 + -2b

Solving
1 + -1b = -7 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
1 + -1b + 2b = -7 + -2b + 2b

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

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

Add '-1' to each side of the equation.
1 + -1 + 1b = -7 + -1

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

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

Divide each side by '1'.
b = -8

Simplifying
b = -8

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