-8(6b+7)=21

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Solution for -8(6b+7)=21 equation:


Simplifying
-8(6b + 7) = 21

Reorder the terms:
-8(7 + 6b) = 21
(7 * -8 + 6b * -8) = 21
(-56 + -48b) = 21

Solving
-56 + -48b = 21

Solving for variable 'b'.

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

Add '56' to each side of the equation.
-56 + 56 + -48b = 21 + 56

Combine like terms: -56 + 56 = 0
0 + -48b = 21 + 56
-48b = 21 + 56

Combine like terms: 21 + 56 = 77
-48b = 77

Divide each side by '-48'.
b = -1.604166667

Simplifying
b = -1.604166667

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