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

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


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

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

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

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

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

Combine like terms: -4 + -3 = -7
-7 + 13b + -12b = -3

Combine like terms: 13b + -12b = 1b
-7 + 1b = -3

Solving
-7 + 1b = -3

Solving for variable 'b'.

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

Add '7' to each side of the equation.
-7 + 7 + 1b = -3 + 7

Combine like terms: -7 + 7 = 0
0 + 1b = -3 + 7
1b = -3 + 7

Combine like terms: -3 + 7 = 4
1b = 4

Divide each side by '1'.
b = 4

Simplifying
b = 4

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