R^2-29-2r=7-2r

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Solution for R^2-29-2r=7-2r equation: 


Simplifying
R2 + -29 + -2r = 7 + -2r

Reorder the terms:
-29 + R2 + -2r = 7 + -2r

Add '2r' to each side of the equation.
-29 + R2 + -2r + 2r = 7 + -2r + 2r

Combine like terms: -2r + 2r = 0
-29 + R2 + 0 = 7 + -2r + 2r
-29 + R2 = 7 + -2r + 2r

Combine like terms: -2r + 2r = 0
-29 + R2 = 7 + 0
-29 + R2 = 7

Solving
-29 + R2 = 7

Solving for variable 'R'.

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

Add '29' to each side of the equation.
-29 + 29 + R2 = 7 + 29

Combine like terms: -29 + 29 = 0
0 + R2 = 7 + 29
R2 = 7 + 29

Combine like terms: 7 + 29 = 36
R2 = 36

Simplifying
R2 = 36

Take the square root of each side:
R = {-6, 6}

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