4x^2-r=5

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Solution for 4x^2-r=5 equation: 


Simplifying
4x2 + -1r = 5

Reorder the terms:
-1r + 4x2 = 5

Solving
-1r + 4x2 = 5

Solving for variable 'r'.

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

Add '-4x2' to each side of the equation.
-1r + 4x2 + -4x2 = 5 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-1r + 0 = 5 + -4x2
-1r = 5 + -4x2

Divide each side by '-1'.
r = -5 + 4x2

Simplifying
r = -5 + 4x2

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