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

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


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

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

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

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

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

Combine like terms: -4 + -18 = -22
-22 + 19b + -18b = -4

Combine like terms: 19b + -18b = 1b
-22 + 1b = -4

Solving
-22 + 1b = -4

Solving for variable 'b'.

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

Add '22' to each side of the equation.
-22 + 22 + 1b = -4 + 22

Combine like terms: -22 + 22 = 0
0 + 1b = -4 + 22
1b = -4 + 22

Combine like terms: -4 + 22 = 18
1b = 18

Divide each side by '1'.
b = 18

Simplifying
b = 18

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