r^2-4t=30

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Solution for r^2-4t=30 equation:


Simplifying
r2 + -4t = 30

Solving
r2 + -4t = 30

Solving for variable 'r'.

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

Add '4t' to each side of the equation.
r2 + -4t + 4t = 30 + 4t

Combine like terms: -4t + 4t = 0
r2 + 0 = 30 + 4t
r2 = 30 + 4t

Simplifying
r2 = 30 + 4t

Reorder the terms:
-30 + r2 + -4t = 30 + 4t + -30 + -4t

Reorder the terms:
-30 + r2 + -4t = 30 + -30 + 4t + -4t

Combine like terms: 30 + -30 = 0
-30 + r2 + -4t = 0 + 4t + -4t
-30 + r2 + -4t = 4t + -4t

Combine like terms: 4t + -4t = 0
-30 + r2 + -4t = 0

The solution to this equation could not be determined.

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