R^2-5r-18=-4

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Solution for R^2-5r-18=-4 equation: 


Simplifying
R2 + -5r + -18 = -4

Reorder the terms:
-18 + R2 + -5r = -4

Solving
-18 + R2 + -5r = -4

Solving for variable 'R'.

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

Add '18' to each side of the equation.
-18 + R2 + 18 + -5r = -4 + 18

Reorder the terms:
-18 + 18 + R2 + -5r = -4 + 18

Combine like terms: -18 + 18 = 0
0 + R2 + -5r = -4 + 18
R2 + -5r = -4 + 18

Combine like terms: -4 + 18 = 14
R2 + -5r = 14

Add '5r' to each side of the equation.
R2 + -5r + 5r = 14 + 5r

Combine like terms: -5r + 5r = 0
R2 + 0 = 14 + 5r
R2 = 14 + 5r

Simplifying
R2 = 14 + 5r

Reorder the terms:
-14 + R2 + -5r = 14 + 5r + -14 + -5r

Reorder the terms:
-14 + R2 + -5r = 14 + -14 + 5r + -5r

Combine like terms: 14 + -14 = 0
-14 + R2 + -5r = 0 + 5r + -5r
-14 + R2 + -5r = 5r + -5r

Combine like terms: 5r + -5r = 0
-14 + R2 + -5r = 0

The solution to this equation could not be determined.

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