15+b=3-3b

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Solution for 15+b=3-3b equation:


Simplifying
15 + b = 3 + -3b

Solving
15 + b = 3 + -3b

Solving for variable 'b'.

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

Add '3b' to each side of the equation.
15 + b + 3b = 3 + -3b + 3b

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

Combine like terms: -3b + 3b = 0
15 + 4b = 3 + 0
15 + 4b = 3

Add '-15' to each side of the equation.
15 + -15 + 4b = 3 + -15

Combine like terms: 15 + -15 = 0
0 + 4b = 3 + -15
4b = 3 + -15

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

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

Simplifying
b = -3

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