15=b-6b

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Solution for 15=b-6b equation:


Simplifying
15 = b + -6b

Combine like terms: b + -6b = -5b
15 = -5b

Solving
15 = -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
15 + 5b = -5b + 5b

Combine like terms: -5b + 5b = 0
15 + 5b = 0

Add '-15' to each side of the equation.
15 + -15 + 5b = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 5b = 0 + -15
5b = 0 + -15

Combine like terms: 0 + -15 = -15
5b = -15

Divide each side by '5'.
b = -3

Simplifying
b = -3

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