(19b-1)-9(2b+3)=-4

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Solution for (19b-1)-9(2b+3)=-4 equation:


Simplifying
(19b + -1) + -9(2b + 3) = -4

Reorder the terms:
(-1 + 19b) + -9(2b + 3) = -4

Remove parenthesis around (-1 + 19b)
-1 + 19b + -9(2b + 3) = -4

Reorder the terms:
-1 + 19b + -9(3 + 2b) = -4
-1 + 19b + (3 * -9 + 2b * -9) = -4
-1 + 19b + (-27 + -18b) = -4

Reorder the terms:
-1 + -27 + 19b + -18b = -4

Combine like terms: -1 + -27 = -28
-28 + 19b + -18b = -4

Combine like terms: 19b + -18b = 1b
-28 + 1b = -4

Solving
-28 + 1b = -4

Solving for variable 'b'.

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

Add '28' to each side of the equation.
-28 + 28 + 1b = -4 + 28

Combine like terms: -28 + 28 = 0
0 + 1b = -4 + 28
1b = -4 + 28

Combine like terms: -4 + 28 = 24
1b = 24

Divide each side by '1'.
b = 24

Simplifying
b = 24

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