(28b-3)-9(3b+2)=-3

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Solution for (28b-3)-9(3b+2)=-3 equation:


Simplifying
(28b + -3) + -9(3b + 2) = -3

Reorder the terms:
(-3 + 28b) + -9(3b + 2) = -3

Remove parenthesis around (-3 + 28b)
-3 + 28b + -9(3b + 2) = -3

Reorder the terms:
-3 + 28b + -9(2 + 3b) = -3
-3 + 28b + (2 * -9 + 3b * -9) = -3
-3 + 28b + (-18 + -27b) = -3

Reorder the terms:
-3 + -18 + 28b + -27b = -3

Combine like terms: -3 + -18 = -21
-21 + 28b + -27b = -3

Combine like terms: 28b + -27b = 1b
-21 + 1b = -3

Solving
-21 + 1b = -3

Solving for variable 'b'.

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

Add '21' to each side of the equation.
-21 + 21 + 1b = -3 + 21

Combine like terms: -21 + 21 = 0
0 + 1b = -3 + 21
1b = -3 + 21

Combine like terms: -3 + 21 = 18
1b = 18

Divide each side by '1'.
b = 18

Simplifying
b = 18

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