393=-8b-7(1+6b)

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Solution for 393=-8b-7(1+6b) equation:


Simplifying
393 = -8b + -7(1 + 6b)
393 = -8b + (1 * -7 + 6b * -7)
393 = -8b + (-7 + -42b)

Reorder the terms:
393 = -7 + -8b + -42b

Combine like terms: -8b + -42b = -50b
393 = -7 + -50b

Solving
393 = -7 + -50b

Solving for variable 'b'.

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

Add '50b' to each side of the equation.
393 + 50b = -7 + -50b + 50b

Combine like terms: -50b + 50b = 0
393 + 50b = -7 + 0
393 + 50b = -7

Add '-393' to each side of the equation.
393 + -393 + 50b = -7 + -393

Combine like terms: 393 + -393 = 0
0 + 50b = -7 + -393
50b = -7 + -393

Combine like terms: -7 + -393 = -400
50b = -400

Divide each side by '50'.
b = -8

Simplifying
b = -8

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