-5(4b+3)+(21b-5)=0

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Solution for -5(4b+3)+(21b-5)=0 equation:


Simplifying
-5(4b + 3) + (21b + -5) = 0

Reorder the terms:
-5(3 + 4b) + (21b + -5) = 0
(3 * -5 + 4b * -5) + (21b + -5) = 0
(-15 + -20b) + (21b + -5) = 0

Reorder the terms:
-15 + -20b + (-5 + 21b) = 0

Remove parenthesis around (-5 + 21b)
-15 + -20b + -5 + 21b = 0

Reorder the terms:
-15 + -5 + -20b + 21b = 0

Combine like terms: -15 + -5 = -20
-20 + -20b + 21b = 0

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

Solving
-20 + 1b = 0

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + 1b = 0 + 20

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

Combine like terms: 0 + 20 = 20
1b = 20

Divide each side by '1'.
b = 20

Simplifying
b = 20

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