4b^2-5=-7

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Solution for 4b^2-5=-7 equation:


Simplifying
4b2 + -5 = -7

Reorder the terms:
-5 + 4b2 = -7

Solving
-5 + 4b2 = -7

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + 4b2 = -7 + 5

Combine like terms: -5 + 5 = 0
0 + 4b2 = -7 + 5
4b2 = -7 + 5

Combine like terms: -7 + 5 = -2
4b2 = -2

Divide each side by '4'.
b2 = -0.5

Simplifying
b2 = -0.5

Reorder the terms:
0.5 + b2 = -0.5 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.5 + b2 = 0.0

The solution to this equation could not be determined.

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