(9b-4)-2(4b+3)=-6

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Solution for (9b-4)-2(4b+3)=-6 equation:


Simplifying
(9b + -4) + -2(4b + 3) = -6

Reorder the terms:
(-4 + 9b) + -2(4b + 3) = -6

Remove parenthesis around (-4 + 9b)
-4 + 9b + -2(4b + 3) = -6

Reorder the terms:
-4 + 9b + -2(3 + 4b) = -6
-4 + 9b + (3 * -2 + 4b * -2) = -6
-4 + 9b + (-6 + -8b) = -6

Reorder the terms:
-4 + -6 + 9b + -8b = -6

Combine like terms: -4 + -6 = -10
-10 + 9b + -8b = -6

Combine like terms: 9b + -8b = 1b
-10 + 1b = -6

Solving
-10 + 1b = -6

Solving for variable 'b'.

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

Add '10' to each side of the equation.
-10 + 10 + 1b = -6 + 10

Combine like terms: -10 + 10 = 0
0 + 1b = -6 + 10
1b = -6 + 10

Combine like terms: -6 + 10 = 4
1b = 4

Divide each side by '1'.
b = 4

Simplifying
b = 4

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