31=-5+4(b-8)

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Solution for 31=-5+4(b-8) equation:


Simplifying
31 = -5 + 4(b + -8)

Reorder the terms:
31 = -5 + 4(-8 + b)
31 = -5 + (-8 * 4 + b * 4)
31 = -5 + (-32 + 4b)

Combine like terms: -5 + -32 = -37
31 = -37 + 4b

Solving
31 = -37 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
31 + -4b = -37 + 4b + -4b

Combine like terms: 4b + -4b = 0
31 + -4b = -37 + 0
31 + -4b = -37

Add '-31' to each side of the equation.
31 + -31 + -4b = -37 + -31

Combine like terms: 31 + -31 = 0
0 + -4b = -37 + -31
-4b = -37 + -31

Combine like terms: -37 + -31 = -68
-4b = -68

Divide each side by '-4'.
b = 17

Simplifying
b = 17

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