-21.25+6.25b-b=7

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Solution for -21.25+6.25b-b=7 equation: 


Simplifying
-21.25 + 6.25b + -1b = 7

Combine like terms: 6.25b + -1b = 5.25b
-21.25 + 5.25b = 7

Solving
-21.25 + 5.25b = 7

Solving for variable 'b'.

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

Add '21.25' to each side of the equation.
-21.25 + 21.25 + 5.25b = 7 + 21.25

Combine like terms: -21.25 + 21.25 = 0.00
0.00 + 5.25b = 7 + 21.25
5.25b = 7 + 21.25

Combine like terms: 7 + 21.25 = 28.25
5.25b = 28.25

Divide each side by '5.25'.
b = 5.380952381

Simplifying
b = 5.380952381

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