31=7b

Solution for 31=7b equation:

Simplifying
31 = 7b

Solving
31 = 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 = 7b + -7b

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

Add '-31' to each side of the equation.
31 + -31 + -7b = 0 + -31

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

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

Divide each side by '-7'.
b = 4.428571429

Simplifying
b = 4.428571429