(21b-2)-5(4b+4)=-6

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Solution for (21b-2)-5(4b+4)=-6 equation:


Simplifying
(21b + -2) + -5(4b + 4) = -6

Reorder the terms:
(-2 + 21b) + -5(4b + 4) = -6

Remove parenthesis around (-2 + 21b)
-2 + 21b + -5(4b + 4) = -6

Reorder the terms:
-2 + 21b + -5(4 + 4b) = -6
-2 + 21b + (4 * -5 + 4b * -5) = -6
-2 + 21b + (-20 + -20b) = -6

Reorder the terms:
-2 + -20 + 21b + -20b = -6

Combine like terms: -2 + -20 = -22
-22 + 21b + -20b = -6

Combine like terms: 21b + -20b = 1b
-22 + 1b = -6

Solving
-22 + 1b = -6

Solving for variable 'b'.

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

Add '22' to each side of the equation.
-22 + 22 + 1b = -6 + 22

Combine like terms: -22 + 22 = 0
0 + 1b = -6 + 22
1b = -6 + 22

Combine like terms: -6 + 22 = 16
1b = 16

Divide each side by '1'.
b = 16

Simplifying
b = 16

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