7a^2+6=9

Solution for 7a^2+6=9 equation:

Simplifying
7a2 + 6 = 9

Reorder the terms:
6 + 7a2 = 9

Solving
6 + 7a2 = 9

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 7a2 = 9 + -6

Combine like terms: 6 + -6 = 0
0 + 7a2 = 9 + -6
7a2 = 9 + -6

Combine like terms: 9 + -6 = 3
7a2 = 3

Divide each side by '7'.
a2 = 0.4285714286

Simplifying
a2 = 0.4285714286

Take the square root of each side:
a = {-0.654653671, 0.654653671}