B-4+2b=31

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Solution for B-4+2b=31 equation:


Simplifying
B + -4 + 2b = 31

Reorder the terms:
-4 + B + 2b = 31

Solving
-4 + B + 2b = 31

Solving for variable 'B'.

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

Add '4' to each side of the equation.
-4 + B + 4 + 2b = 31 + 4

Reorder the terms:
-4 + 4 + B + 2b = 31 + 4

Combine like terms: -4 + 4 = 0
0 + B + 2b = 31 + 4
B + 2b = 31 + 4

Combine like terms: 31 + 4 = 35
B + 2b = 35

Add '-2b' to each side of the equation.
B + 2b + -2b = 35 + -2b

Combine like terms: 2b + -2b = 0
B + 0 = 35 + -2b
B = 35 + -2b

Simplifying
B = 35 + -2b

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