7b^2-63=0

Solution for 7b^2-63=0 equation:

Simplifying
7b2 + -63 = 0

Reorder the terms:
-63 + 7b2 = 0

Solving
-63 + 7b2 = 0

Solving for variable 'b'.

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

Add '63' to each side of the equation.
-63 + 63 + 7b2 = 0 + 63

Combine like terms: -63 + 63 = 0
0 + 7b2 = 0 + 63
7b2 = 0 + 63

Combine like terms: 0 + 63 = 63
7b2 = 63

Divide each side by '7'.
b2 = 9

Simplifying
b2 = 9

Take the square root of each side:
b = {-3, 3}