(13b-9)-6(2b+1)=-2

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Solution for (13b-9)-6(2b+1)=-2 equation:


Simplifying
(13b + -9) + -6(2b + 1) = -2

Reorder the terms:
(-9 + 13b) + -6(2b + 1) = -2

Remove parenthesis around (-9 + 13b)
-9 + 13b + -6(2b + 1) = -2

Reorder the terms:
-9 + 13b + -6(1 + 2b) = -2
-9 + 13b + (1 * -6 + 2b * -6) = -2
-9 + 13b + (-6 + -12b) = -2

Reorder the terms:
-9 + -6 + 13b + -12b = -2

Combine like terms: -9 + -6 = -15
-15 + 13b + -12b = -2

Combine like terms: 13b + -12b = 1b
-15 + 1b = -2

Solving
-15 + 1b = -2

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 1b = -2 + 15

Combine like terms: -15 + 15 = 0
0 + 1b = -2 + 15
1b = -2 + 15

Combine like terms: -2 + 15 = 13
1b = 13

Divide each side by '1'.
b = 13

Simplifying
b = 13

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