9(3b+4)-10(b+2)-1(2b+2b)=

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Solution for 9(3b+4)-10(b+2)-1(2b+2b)= equation:


Simplifying
9(3b + 4) + -10(b + 2) + -1(2b + 2b) = 0

Reorder the terms:
9(4 + 3b) + -10(b + 2) + -1(2b + 2b) = 0
(4 * 9 + 3b * 9) + -10(b + 2) + -1(2b + 2b) = 0
(36 + 27b) + -10(b + 2) + -1(2b + 2b) = 0

Reorder the terms:
36 + 27b + -10(2 + b) + -1(2b + 2b) = 0
36 + 27b + (2 * -10 + b * -10) + -1(2b + 2b) = 0
36 + 27b + (-20 + -10b) + -1(2b + 2b) = 0

Combine like terms: 2b + 2b = 4b
36 + 27b + -20 + -10b + -1(4b) = 0

Remove parenthesis around (4b)
36 + 27b + -20 + -10b + -1 * 4b = 0

Multiply -1 * 4
36 + 27b + -20 + -10b + -4b = 0

Reorder the terms:
36 + -20 + 27b + -10b + -4b = 0

Combine like terms: 36 + -20 = 16
16 + 27b + -10b + -4b = 0

Combine like terms: 27b + -10b = 17b
16 + 17b + -4b = 0

Combine like terms: 17b + -4b = 13b
16 + 13b = 0

Solving
16 + 13b = 0

Solving for variable 'b'.

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

Add '-16' to each side of the equation.
16 + -16 + 13b = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 13b = 0 + -16
13b = 0 + -16

Combine like terms: 0 + -16 = -16
13b = -16

Divide each side by '13'.
b = -1.230769231

Simplifying
b = -1.230769231

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