-15=5b+12-2b+b

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Solution for -15=5b+12-2b+b equation:


Simplifying
-15 = 5b + 12 + -2b + b

Reorder the terms:
-15 = 12 + 5b + -2b + b

Combine like terms: 5b + -2b = 3b
-15 = 12 + 3b + b

Combine like terms: 3b + b = 4b
-15 = 12 + 4b

Solving
-15 = 12 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
-15 + -4b = 12 + 4b + -4b

Combine like terms: 4b + -4b = 0
-15 + -4b = 12 + 0
-15 + -4b = 12

Add '15' to each side of the equation.
-15 + 15 + -4b = 12 + 15

Combine like terms: -15 + 15 = 0
0 + -4b = 12 + 15
-4b = 12 + 15

Combine like terms: 12 + 15 = 27
-4b = 27

Divide each side by '-4'.
b = -6.75

Simplifying
b = -6.75

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