B+15(b+2)+15+2b-9=90

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Solution for B+15(b+2)+15+2b-9=90 equation: 


Simplifying
B + 15(b + 2) + 15 + 2b + -9 = 90

Reorder the terms:
B + 15(2 + b) + 15 + 2b + -9 = 90
B + (2 * 15 + b * 15) + 15 + 2b + -9 = 90
B + (30 + 15b) + 15 + 2b + -9 = 90

Reorder the terms:
30 + 15 + -9 + B + 15b + 2b = 90

Combine like terms: 30 + 15 = 45
45 + -9 + B + 15b + 2b = 90

Combine like terms: 45 + -9 = 36
36 + B + 15b + 2b = 90

Combine like terms: 15b + 2b = 17b
36 + B + 17b = 90

Solving
36 + B + 17b = 90

Solving for variable 'B'.

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

Add '-36' to each side of the equation.
36 + B + -36 + 17b = 90 + -36

Reorder the terms:
36 + -36 + B + 17b = 90 + -36

Combine like terms: 36 + -36 = 0
0 + B + 17b = 90 + -36
B + 17b = 90 + -36

Combine like terms: 90 + -36 = 54
B + 17b = 54

Add '-17b' to each side of the equation.
B + 17b + -17b = 54 + -17b

Combine like terms: 17b + -17b = 0
B + 0 = 54 + -17b
B = 54 + -17b

Simplifying
B = 54 + -17b

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