8-(3b)=b-9

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Solution for 8-(3b)=b-9 equation:


Simplifying
8 + -1(3b) = b + -9

Remove parenthesis around (3b)
8 + -1 * 3b = b + -9

Multiply -1 * 3
8 + -3b = b + -9

Reorder the terms:
8 + -3b = -9 + b

Solving
8 + -3b = -9 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
8 + -3b + -1b = -9 + b + -1b

Combine like terms: -3b + -1b = -4b
8 + -4b = -9 + b + -1b

Combine like terms: b + -1b = 0
8 + -4b = -9 + 0
8 + -4b = -9

Add '-8' to each side of the equation.
8 + -8 + -4b = -9 + -8

Combine like terms: 8 + -8 = 0
0 + -4b = -9 + -8
-4b = -9 + -8

Combine like terms: -9 + -8 = -17
-4b = -17

Divide each side by '-4'.
b = 4.25

Simplifying
b = 4.25

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