15(b+2)+15=2b-9+b

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Solution for 15(b+2)+15=2b-9+b equation:


Simplifying
15(b + 2) + 15 = 2b + -9 + b

Reorder the terms:
15(2 + b) + 15 = 2b + -9 + b
(2 * 15 + b * 15) + 15 = 2b + -9 + b
(30 + 15b) + 15 = 2b + -9 + b

Reorder the terms:
30 + 15 + 15b = 2b + -9 + b

Combine like terms: 30 + 15 = 45
45 + 15b = 2b + -9 + b

Reorder the terms:
45 + 15b = -9 + 2b + b

Combine like terms: 2b + b = 3b
45 + 15b = -9 + 3b

Solving
45 + 15b = -9 + 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.
45 + 15b + -3b = -9 + 3b + -3b

Combine like terms: 15b + -3b = 12b
45 + 12b = -9 + 3b + -3b

Combine like terms: 3b + -3b = 0
45 + 12b = -9 + 0
45 + 12b = -9

Add '-45' to each side of the equation.
45 + -45 + 12b = -9 + -45

Combine like terms: 45 + -45 = 0
0 + 12b = -9 + -45
12b = -9 + -45

Combine like terms: -9 + -45 = -54
12b = -54

Divide each side by '12'.
b = -4.5

Simplifying
b = -4.5

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