7(8b-2)=-20

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Solution for 7(8b-2)=-20 equation: 


Simplifying
7(8b + -2) = -20

Reorder the terms:
7(-2 + 8b) = -20
(-2 * 7 + 8b * 7) = -20
(-14 + 56b) = -20

Solving
-14 + 56b = -20

Solving for variable 'b'.

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

Add '14' to each side of the equation.
-14 + 14 + 56b = -20 + 14

Combine like terms: -14 + 14 = 0
0 + 56b = -20 + 14
56b = -20 + 14

Combine like terms: -20 + 14 = -6
56b = -6

Divide each side by '56'.
b = -0.1071428571

Simplifying
b = -0.1071428571

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