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

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


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

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

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

Reorder the terms:
-2 + 9b + -4(3 + 2b) = 4
-2 + 9b + (3 * -4 + 2b * -4) = 4
-2 + 9b + (-12 + -8b) = 4

Reorder the terms:
-2 + -12 + 9b + -8b = 4

Combine like terms: -2 + -12 = -14
-14 + 9b + -8b = 4

Combine like terms: 9b + -8b = 1b
-14 + 1b = 4

Solving
-14 + 1b = 4

Solving for variable 'b'.

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

Add '14' to each side of the equation.
-14 + 14 + 1b = 4 + 14

Combine like terms: -14 + 14 = 0
0 + 1b = 4 + 14
1b = 4 + 14

Combine like terms: 4 + 14 = 18
1b = 18

Divide each side by '1'.
b = 18

Simplifying
b = 18

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