-5(4b+4)+(21b-8)=0

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Solution for -5(4b+4)+(21b-8)=0 equation:


Simplifying
-5(4b + 4) + (21b + -8) = 0

Reorder the terms:
-5(4 + 4b) + (21b + -8) = 0
(4 * -5 + 4b * -5) + (21b + -8) = 0
(-20 + -20b) + (21b + -8) = 0

Reorder the terms:
-20 + -20b + (-8 + 21b) = 0

Remove parenthesis around (-8 + 21b)
-20 + -20b + -8 + 21b = 0

Reorder the terms:
-20 + -8 + -20b + 21b = 0

Combine like terms: -20 + -8 = -28
-28 + -20b + 21b = 0

Combine like terms: -20b + 21b = 1b
-28 + 1b = 0

Solving
-28 + 1b = 0

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 = 0 + 28

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

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

Divide each side by '1'.
b = 28

Simplifying
b = 28

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