(13b-3)-3(4b+2)=-4

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Solution for (13b-3)-3(4b+2)=-4 equation:


Simplifying
(13b + -3) + -3(4b + 2) = -4

Reorder the terms:
(-3 + 13b) + -3(4b + 2) = -4

Remove parenthesis around (-3 + 13b)
-3 + 13b + -3(4b + 2) = -4

Reorder the terms:
-3 + 13b + -3(2 + 4b) = -4
-3 + 13b + (2 * -3 + 4b * -3) = -4
-3 + 13b + (-6 + -12b) = -4

Reorder the terms:
-3 + -6 + 13b + -12b = -4

Combine like terms: -3 + -6 = -9
-9 + 13b + -12b = -4

Combine like terms: 13b + -12b = 1b
-9 + 1b = -4

Solving
-9 + 1b = -4

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + 1b = -4 + 9

Combine like terms: -9 + 9 = 0
0 + 1b = -4 + 9
1b = -4 + 9

Combine like terms: -4 + 9 = 5
1b = 5

Divide each side by '1'.
b = 5

Simplifying
b = 5

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