9-R=R

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Solution for 9-R=R equation:


Simplifying
9 + -1R = R

Solving
9 + -1R = R

Solving for variable 'R'.

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

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

Combine like terms: -1R + -1R = -2R
9 + -2R = R + -1R

Combine like terms: R + -1R = 0
9 + -2R = 0

Add '-9' to each side of the equation.
9 + -9 + -2R = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2R = 0 + -9
-2R = 0 + -9

Combine like terms: 0 + -9 = -9
-2R = -9

Divide each side by '-2'.
R = 4.5

Simplifying
R = 4.5

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