49=6b+9+21

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Solution for 49=6b+9+21 equation:


Simplifying
49 = 6b + 9 + 21

Reorder the terms:
49 = 9 + 21 + 6b

Combine like terms: 9 + 21 = 30
49 = 30 + 6b

Solving
49 = 30 + 6b

Solving for variable 'b'.

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

Add '-6b' to each side of the equation.
49 + -6b = 30 + 6b + -6b

Combine like terms: 6b + -6b = 0
49 + -6b = 30 + 0
49 + -6b = 30

Add '-49' to each side of the equation.
49 + -49 + -6b = 30 + -49

Combine like terms: 49 + -49 = 0
0 + -6b = 30 + -49
-6b = 30 + -49

Combine like terms: 30 + -49 = -19
-6b = -19

Divide each side by '-6'.
b = 3.166666667

Simplifying
b = 3.166666667

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