-31+4b=-7(-b+7)

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Solution for -31+4b=-7(-b+7) equation:


Simplifying
-31 + 4b = -7(-1b + 7)

Reorder the terms:
-31 + 4b = -7(7 + -1b)
-31 + 4b = (7 * -7 + -1b * -7)
-31 + 4b = (-49 + 7b)

Solving
-31 + 4b = -49 + 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 + 4b + -7b = -49 + 7b + -7b

Combine like terms: 4b + -7b = -3b
-31 + -3b = -49 + 7b + -7b

Combine like terms: 7b + -7b = 0
-31 + -3b = -49 + 0
-31 + -3b = -49

Add '31' to each side of the equation.
-31 + 31 + -3b = -49 + 31

Combine like terms: -31 + 31 = 0
0 + -3b = -49 + 31
-3b = -49 + 31

Combine like terms: -49 + 31 = -18
-3b = -18

Divide each side by '-3'.
b = 6

Simplifying
b = 6

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