b-3.1=.7

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Solution for b-3.1=.7 equation: 


Simplifying
b + -3.1 = 0.7

Reorder the terms:
-3.1 + b = 0.7

Solving
-3.1 + b = 0.7

Solving for variable 'b'.

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

Add '3.1' to each side of the equation.
-3.1 + 3.1 + b = 0.7 + 3.1

Combine like terms: -3.1 + 3.1 = 0.0
0.0 + b = 0.7 + 3.1
b = 0.7 + 3.1

Combine like terms: 0.7 + 3.1 = 3.8
b = 3.8

Simplifying
b = 3.8

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