7u^2-28m^2=0

Solution for 7u^2-28m^2=0 equation:

Simplifying
7u2 + -28m2 = 0

Reorder the terms:
-28m2 + 7u2 = 0

Solving
-28m2 + 7u2 = 0

Solving for variable 'm'.

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

Add '-7u2' to each side of the equation.
-28m2 + 7u2 + -7u2 = 0 + -7u2

Combine like terms: 7u2 + -7u2 = 0
-28m2 + 0 = 0 + -7u2
-28m2 = 0 + -7u2
Remove the zero:
-28m2 = -7u2

Divide each side by '-28'.
m2 = 0.25u2

Simplifying
m2 = 0.25u2

Take the square root of each side:
m = {-0.5u, 0.5u}