7q^2-20=0

Solution for 7q^2-20=0 equation:

Simplifying
7q2 + -20 = 0

Reorder the terms:
-20 + 7q2 = 0

Solving
-20 + 7q2 = 0

Solving for variable 'q'.

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

Add '20' to each side of the equation.
-20 + 20 + 7q2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 7q2 = 0 + 20
7q2 = 0 + 20

Combine like terms: 0 + 20 = 20
7q2 = 20

Divide each side by '7'.
q2 = 2.857142857

Simplifying
q2 = 2.857142857

Take the square root of each side:
q = {-1.690308509, 1.690308509}