-b-3b+8+4=

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Solution for -b-3b+8+4= equation:


Simplifying
-1b + -3b + 8 + 4 = 0

Reorder the terms:
8 + 4 + -1b + -3b = 0

Combine like terms: 8 + 4 = 12
12 + -1b + -3b = 0

Combine like terms: -1b + -3b = -4b
12 + -4b = 0

Solving
12 + -4b = 0

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + -4b = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -4b = 0 + -12
-4b = 0 + -12

Combine like terms: 0 + -12 = -12
-4b = -12

Divide each side by '-4'.
b = 3

Simplifying
b = 3

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