(13b-5)-3(4b+1)=-4

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Solution for (13b-5)-3(4b+1)=-4 equation:


Simplifying
(13b + -5) + -3(4b + 1) = -4

Reorder the terms:
(-5 + 13b) + -3(4b + 1) = -4

Remove parenthesis around (-5 + 13b)
-5 + 13b + -3(4b + 1) = -4

Reorder the terms:
-5 + 13b + -3(1 + 4b) = -4
-5 + 13b + (1 * -3 + 4b * -3) = -4
-5 + 13b + (-3 + -12b) = -4

Reorder the terms:
-5 + -3 + 13b + -12b = -4

Combine like terms: -5 + -3 = -8
-8 + 13b + -12b = -4

Combine like terms: 13b + -12b = 1b
-8 + 1b = -4

Solving
-8 + 1b = -4

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + 1b = -4 + 8

Combine like terms: -8 + 8 = 0
0 + 1b = -4 + 8
1b = -4 + 8

Combine like terms: -4 + 8 = 4
1b = 4

Divide each side by '1'.
b = 4

Simplifying
b = 4

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