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

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


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

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

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

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

Combine like terms: b + 15b = 16b
45 + 16b + 2b = 9

Combine like terms: 16b + 2b = 18b
45 + 18b = 9

Solving
45 + 18b = 9

Solving for variable 'b'.

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

Add '-45' to each side of the equation.
45 + -45 + 18b = 9 + -45

Combine like terms: 45 + -45 = 0
0 + 18b = 9 + -45
18b = 9 + -45

Combine like terms: 9 + -45 = -36
18b = -36

Divide each side by '18'.
b = -2

Simplifying
b = -2

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