49=-4b+9

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Solution for 49=-4b+9 equation:


Simplifying
49 = -4b + 9

Reorder the terms:
49 = 9 + -4b

Solving
49 = 9 + -4b

Solving for variable 'b'.

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

Add '4b' to each side of the equation.
49 + 4b = 9 + -4b + 4b

Combine like terms: -4b + 4b = 0
49 + 4b = 9 + 0
49 + 4b = 9

Add '-49' to each side of the equation.
49 + -49 + 4b = 9 + -49

Combine like terms: 49 + -49 = 0
0 + 4b = 9 + -49
4b = 9 + -49

Combine like terms: 9 + -49 = -40
4b = -40

Divide each side by '4'.
b = -10

Simplifying
b = -10

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