-31=9+7(b+5)

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Solution for -31=9+7(b+5) equation:


Simplifying
-31 = 9 + 7(b + 5)

Reorder the terms:
-31 = 9 + 7(5 + b)
-31 = 9 + (5 * 7 + b * 7)
-31 = 9 + (35 + 7b)

Combine like terms: 9 + 35 = 44
-31 = 44 + 7b

Solving
-31 = 44 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-31 + -7b = 44 + 7b + -7b

Combine like terms: 7b + -7b = 0
-31 + -7b = 44 + 0
-31 + -7b = 44

Add '31' to each side of the equation.
-31 + 31 + -7b = 44 + 31

Combine like terms: -31 + 31 = 0
0 + -7b = 44 + 31
-7b = 44 + 31

Combine like terms: 44 + 31 = 75
-7b = 75

Divide each side by '-7'.
b = -10.71428571

Simplifying
b = -10.71428571

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