b-0.3=0.4

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Solution for b-0.3=0.4 equation: 


Simplifying
b + -0.3 = 0.4

Reorder the terms:
-0.3 + b = 0.4

Solving
-0.3 + b = 0.4

Solving for variable 'b'.

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

Add '0.3' to each side of the equation.
-0.3 + 0.3 + b = 0.4 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + b = 0.4 + 0.3
b = 0.4 + 0.3

Combine like terms: 0.4 + 0.3 = 0.7
b = 0.7

Simplifying
b = 0.7

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