(13b-8)-4(3b+4)=-3

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Solution for (13b-8)-4(3b+4)=-3 equation:


Simplifying
(13b + -8) + -4(3b + 4) = -3

Reorder the terms:
(-8 + 13b) + -4(3b + 4) = -3

Remove parenthesis around (-8 + 13b)
-8 + 13b + -4(3b + 4) = -3

Reorder the terms:
-8 + 13b + -4(4 + 3b) = -3
-8 + 13b + (4 * -4 + 3b * -4) = -3
-8 + 13b + (-16 + -12b) = -3

Reorder the terms:
-8 + -16 + 13b + -12b = -3

Combine like terms: -8 + -16 = -24
-24 + 13b + -12b = -3

Combine like terms: 13b + -12b = 1b
-24 + 1b = -3

Solving
-24 + 1b = -3

Solving for variable 'b'.

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

Add '24' to each side of the equation.
-24 + 24 + 1b = -3 + 24

Combine like terms: -24 + 24 = 0
0 + 1b = -3 + 24
1b = -3 + 24

Combine like terms: -3 + 24 = 21
1b = 21

Divide each side by '1'.
b = 21

Simplifying
b = 21

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