7-2b=n

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Solution for 7-2b=n equation: 


Simplifying
7 + -2b = n

Solving
7 + -2b = n

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + -2b = -7 + n

Combine like terms: 7 + -7 = 0
0 + -2b = -7 + n
-2b = -7 + n

Divide each side by '-2'.
b = 3.5 + -0.5n

Simplifying
b = 3.5 + -0.5n

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