(28b-4)-9(3b+3)=-3

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Solution for (28b-4)-9(3b+3)=-3 equation:


Simplifying
(28b + -4) + -9(3b + 3) = -3

Reorder the terms:
(-4 + 28b) + -9(3b + 3) = -3

Remove parenthesis around (-4 + 28b)
-4 + 28b + -9(3b + 3) = -3

Reorder the terms:
-4 + 28b + -9(3 + 3b) = -3
-4 + 28b + (3 * -9 + 3b * -9) = -3
-4 + 28b + (-27 + -27b) = -3

Reorder the terms:
-4 + -27 + 28b + -27b = -3

Combine like terms: -4 + -27 = -31
-31 + 28b + -27b = -3

Combine like terms: 28b + -27b = 1b
-31 + 1b = -3

Solving
-31 + 1b = -3

Solving for variable 'b'.

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

Add '31' to each side of the equation.
-31 + 31 + 1b = -3 + 31

Combine like terms: -31 + 31 = 0
0 + 1b = -3 + 31
1b = -3 + 31

Combine like terms: -3 + 31 = 28
1b = 28

Divide each side by '1'.
b = 28

Simplifying
b = 28

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