-3(b+4)=b-5-2b

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Solution for -3(b+4)=b-5-2b equation:


Simplifying
-3(b + 4) = b + -5 + -2b

Reorder the terms:
-3(4 + b) = b + -5 + -2b
(4 * -3 + b * -3) = b + -5 + -2b
(-12 + -3b) = b + -5 + -2b

Reorder the terms:
-12 + -3b = -5 + b + -2b

Combine like terms: b + -2b = -1b
-12 + -3b = -5 + -1b

Solving
-12 + -3b = -5 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-12 + -3b + b = -5 + -1b + b

Combine like terms: -3b + b = -2b
-12 + -2b = -5 + -1b + b

Combine like terms: -1b + b = 0
-12 + -2b = -5 + 0
-12 + -2b = -5

Add '12' to each side of the equation.
-12 + 12 + -2b = -5 + 12

Combine like terms: -12 + 12 = 0
0 + -2b = -5 + 12
-2b = -5 + 12

Combine like terms: -5 + 12 = 7
-2b = 7

Divide each side by '-2'.
b = -3.5

Simplifying
b = -3.5

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