(28b-1)-9(3b+3)=-5

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Solution for (28b-1)-9(3b+3)=-5 equation:


Simplifying
(28b + -1) + -9(3b + 3) = -5

Reorder the terms:
(-1 + 28b) + -9(3b + 3) = -5

Remove parenthesis around (-1 + 28b)
-1 + 28b + -9(3b + 3) = -5

Reorder the terms:
-1 + 28b + -9(3 + 3b) = -5
-1 + 28b + (3 * -9 + 3b * -9) = -5
-1 + 28b + (-27 + -27b) = -5

Reorder the terms:
-1 + -27 + 28b + -27b = -5

Combine like terms: -1 + -27 = -28
-28 + 28b + -27b = -5

Combine like terms: 28b + -27b = 1b
-28 + 1b = -5

Solving
-28 + 1b = -5

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 = -5 + 28

Combine like terms: -28 + 28 = 0
0 + 1b = -5 + 28
1b = -5 + 28

Combine like terms: -5 + 28 = 23
1b = 23

Divide each side by '1'.
b = 23

Simplifying
b = 23

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