49n^2+21b-4=0

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Solution for 49n^2+21b-4=0 equation:


Simplifying
49n2 + 21b + -4 = 0

Reorder the terms:
-4 + 21b + 49n2 = 0

Solving
-4 + 21b + 49n2 = 0

Solving for variable 'b'.

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

Add '4' to each side of the equation.
-4 + 21b + 4 + 49n2 = 0 + 4

Reorder the terms:
-4 + 4 + 21b + 49n2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 21b + 49n2 = 0 + 4
21b + 49n2 = 0 + 4

Combine like terms: 0 + 4 = 4
21b + 49n2 = 4

Add '-49n2' to each side of the equation.
21b + 49n2 + -49n2 = 4 + -49n2

Combine like terms: 49n2 + -49n2 = 0
21b + 0 = 4 + -49n2
21b = 4 + -49n2

Divide each side by '21'.
b = 0.1904761905 + -2.333333333n2

Simplifying
b = 0.1904761905 + -2.333333333n2

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