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

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


Simplifying
5(21 + -4b) + 6b = 21
(21 * 5 + -4b * 5) + 6b = 21
(105 + -20b) + 6b = 21

Combine like terms: -20b + 6b = -14b
105 + -14b = 21

Solving
105 + -14b = 21

Solving for variable 'b'.

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

Add '-105' to each side of the equation.
105 + -105 + -14b = 21 + -105

Combine like terms: 105 + -105 = 0
0 + -14b = 21 + -105
-14b = 21 + -105

Combine like terms: 21 + -105 = -84
-14b = -84

Divide each side by '-14'.
b = 6

Simplifying
b = 6

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