16=9r-4r-2r-2r

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Solution for 16=9r-4r-2r-2r equation:


Simplifying
16 = 9r + -4r + -2r + -2r

Combine like terms: 9r + -4r = 5r
16 = 5r + -2r + -2r

Combine like terms: 5r + -2r = 3r
16 = 3r + -2r

Combine like terms: 3r + -2r = 1r
16 = 1r

Solving
16 = 1r

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.
16 + -1r = 1r + -1r

Combine like terms: 1r + -1r = 0
16 + -1r = 0

Add '-16' to each side of the equation.
16 + -16 + -1r = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -1r = 0 + -16
-1r = 0 + -16

Combine like terms: 0 + -16 = -16
-1r = -16

Divide each side by '-1'.
r = 16

Simplifying
r = 16

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