(b-31)+(b-30)=b

Solution for (b-31)+(b-30)=b equation:

Simplifying
(b + -31) + (b + -30) = b

Reorder the terms:
(-31 + b) + (b + -30) = b

Remove parenthesis around (-31 + b)
-31 + b + (b + -30) = b

Reorder the terms:
-31 + b + (-30 + b) = b

Remove parenthesis around (-30 + b)
-31 + b + -30 + b = b

Reorder the terms:
-31 + -30 + b + b = b

Combine like terms: -31 + -30 = -61
-61 + b + b = b

Combine like terms: b + b = 2b
-61 + 2b = b

Solving
-61 + 2b = b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-61 + 2b + -1b = b + -1b

Combine like terms: 2b + -1b = 1b
-61 + 1b = b + -1b

Combine like terms: b + -1b = 0
-61 + 1b = 0

Add '61' to each side of the equation.
-61 + 61 + 1b = 0 + 61

Combine like terms: -61 + 61 = 0
0 + 1b = 0 + 61
1b = 0 + 61

Combine like terms: 0 + 61 = 61
1b = 61

Divide each side by '1'.
b = 61

Simplifying
b = 61