-b-9=-4(1+b)+1

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Solution for -b-9=-4(1+b)+1 equation:


Simplifying
-1b + -9 = -4(1 + b) + 1

Reorder the terms:
-9 + -1b = -4(1 + b) + 1
-9 + -1b = (1 * -4 + b * -4) + 1
-9 + -1b = (-4 + -4b) + 1

Reorder the terms:
-9 + -1b = -4 + 1 + -4b

Combine like terms: -4 + 1 = -3
-9 + -1b = -3 + -4b

Solving
-9 + -1b = -3 + -4b

Solving for variable 'b'.

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

Add '4b' to each side of the equation.
-9 + -1b + 4b = -3 + -4b + 4b

Combine like terms: -1b + 4b = 3b
-9 + 3b = -3 + -4b + 4b

Combine like terms: -4b + 4b = 0
-9 + 3b = -3 + 0
-9 + 3b = -3

Add '9' to each side of the equation.
-9 + 9 + 3b = -3 + 9

Combine like terms: -9 + 9 = 0
0 + 3b = -3 + 9
3b = -3 + 9

Combine like terms: -3 + 9 = 6
3b = 6

Divide each side by '3'.
b = 2

Simplifying
b = 2

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