12+3(2+b)=5(3-b)

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Solution for 12+3(2+b)=5(3-b) equation:


Simplifying
12 + 3(2 + b) = 5(3 + -1b)
12 + (2 * 3 + b * 3) = 5(3 + -1b)
12 + (6 + 3b) = 5(3 + -1b)

Combine like terms: 12 + 6 = 18
18 + 3b = 5(3 + -1b)
18 + 3b = (3 * 5 + -1b * 5)
18 + 3b = (15 + -5b)

Solving
18 + 3b = 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.
18 + 3b + 5b = 15 + -5b + 5b

Combine like terms: 3b + 5b = 8b
18 + 8b = 15 + -5b + 5b

Combine like terms: -5b + 5b = 0
18 + 8b = 15 + 0
18 + 8b = 15

Add '-18' to each side of the equation.
18 + -18 + 8b = 15 + -18

Combine like terms: 18 + -18 = 0
0 + 8b = 15 + -18
8b = 15 + -18

Combine like terms: 15 + -18 = -3
8b = -3

Divide each side by '8'.
b = -0.375

Simplifying
b = -0.375

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