9=5+2r

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Solution for 9=5+2r equation:


Simplifying
9 = 5 + 2r

Solving
9 = 5 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
9 + -2r = 5 + 2r + -2r

Combine like terms: 2r + -2r = 0
9 + -2r = 5 + 0
9 + -2r = 5

Add '-9' to each side of the equation.
9 + -9 + -2r = 5 + -9

Combine like terms: 9 + -9 = 0
0 + -2r = 5 + -9
-2r = 5 + -9

Combine like terms: 5 + -9 = -4
-2r = -4

Divide each side by '-2'.
r = 2

Simplifying
r = 2

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