-9(b-2)+2(b-13)=9+2(-b+9)

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Solution for -9(b-2)+2(b-13)=9+2(-b+9) equation:


Simplifying
-9(b + -2) + 2(b + -13) = 9 + 2(-1b + 9)

Reorder the terms:
-9(-2 + b) + 2(b + -13) = 9 + 2(-1b + 9)
(-2 * -9 + b * -9) + 2(b + -13) = 9 + 2(-1b + 9)
(18 + -9b) + 2(b + -13) = 9 + 2(-1b + 9)

Reorder the terms:
18 + -9b + 2(-13 + b) = 9 + 2(-1b + 9)
18 + -9b + (-13 * 2 + b * 2) = 9 + 2(-1b + 9)
18 + -9b + (-26 + 2b) = 9 + 2(-1b + 9)

Reorder the terms:
18 + -26 + -9b + 2b = 9 + 2(-1b + 9)

Combine like terms: 18 + -26 = -8
-8 + -9b + 2b = 9 + 2(-1b + 9)

Combine like terms: -9b + 2b = -7b
-8 + -7b = 9 + 2(-1b + 9)

Reorder the terms:
-8 + -7b = 9 + 2(9 + -1b)
-8 + -7b = 9 + (9 * 2 + -1b * 2)
-8 + -7b = 9 + (18 + -2b)

Combine like terms: 9 + 18 = 27
-8 + -7b = 27 + -2b

Solving
-8 + -7b = 27 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
-8 + -7b + 2b = 27 + -2b + 2b

Combine like terms: -7b + 2b = -5b
-8 + -5b = 27 + -2b + 2b

Combine like terms: -2b + 2b = 0
-8 + -5b = 27 + 0
-8 + -5b = 27

Add '8' to each side of the equation.
-8 + 8 + -5b = 27 + 8

Combine like terms: -8 + 8 = 0
0 + -5b = 27 + 8
-5b = 27 + 8

Combine like terms: 27 + 8 = 35
-5b = 35

Divide each side by '-5'.
b = -7

Simplifying
b = -7

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