9=t^2

Solution for 9=t^2 equation:

Simplifying
9 = t2

Solving
9 = t2

Solving for variable 't'.

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

Add '-1t2' to each side of the equation.
9 + -1t2 = t2 + -1t2

Combine like terms: t2 + -1t2 = 0
9 + -1t2 = 0

Add '-9' to each side of the equation.
9 + -9 + -1t2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1t2 = 0 + -9
-1t2 = 0 + -9

Combine like terms: 0 + -9 = -9
-1t2 = -9

Divide each side by '-1'.
t2 = 9

Simplifying
t2 = 9

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