-1=2b+7

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Solution for -1=2b+7 equation:


Simplifying
-1 = 2b + 7

Reorder the terms:
-1 = 7 + 2b

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

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

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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