(13b-3)-6(2b+3)=-5

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Solution for (13b-3)-6(2b+3)=-5 equation:


Simplifying
(13b + -3) + -6(2b + 3) = -5

Reorder the terms:
(-3 + 13b) + -6(2b + 3) = -5

Remove parenthesis around (-3 + 13b)
-3 + 13b + -6(2b + 3) = -5

Reorder the terms:
-3 + 13b + -6(3 + 2b) = -5
-3 + 13b + (3 * -6 + 2b * -6) = -5
-3 + 13b + (-18 + -12b) = -5

Reorder the terms:
-3 + -18 + 13b + -12b = -5

Combine like terms: -3 + -18 = -21
-21 + 13b + -12b = -5

Combine like terms: 13b + -12b = 1b
-21 + 1b = -5

Solving
-21 + 1b = -5

Solving for variable 'b'.

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

Add '21' to each side of the equation.
-21 + 21 + 1b = -5 + 21

Combine like terms: -21 + 21 = 0
0 + 1b = -5 + 21
1b = -5 + 21

Combine like terms: -5 + 21 = 16
1b = 16

Divide each side by '1'.
b = 16

Simplifying
b = 16

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