b-(2b-8)=5

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Solution for b-(2b-8)=5 equation:


Simplifying
b + -1(2b + -8) = 5

Reorder the terms:
b + -1(-8 + 2b) = 5
b + (-8 * -1 + 2b * -1) = 5
b + (8 + -2b) = 5

Reorder the terms:
8 + b + -2b = 5

Combine like terms: b + -2b = -1b
8 + -1b = 5

Solving
8 + -1b = 5

Solving for variable 'b'.

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

Add '-8' to each side of the equation.
8 + -8 + -1b = 5 + -8

Combine like terms: 8 + -8 = 0
0 + -1b = 5 + -8
-1b = 5 + -8

Combine like terms: 5 + -8 = -3
-1b = -3

Divide each side by '-1'.
b = 3

Simplifying
b = 3

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