-(b+5)-3b=12

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Solution for -(b+5)-3b=12 equation:


Simplifying
-1(b + 5) + -3b = 12

Reorder the terms:
-1(5 + b) + -3b = 12
(5 * -1 + b * -1) + -3b = 12
(-5 + -1b) + -3b = 12

Combine like terms: -1b + -3b = -4b
-5 + -4b = 12

Solving
-5 + -4b = 12

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + -4b = 12 + 5

Combine like terms: -5 + 5 = 0
0 + -4b = 12 + 5
-4b = 12 + 5

Combine like terms: 12 + 5 = 17
-4b = 17

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

Simplifying
b = -4.25

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