2r-4r+16=r-2

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


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

Reorder the terms:
16 + 2r + -4r = r + -2

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

Reorder the terms:
16 + -2r = -2 + r

Solving
16 + -2r = -2 + 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.
16 + -2r + -1r = -2 + r + -1r

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

Combine like terms: r + -1r = 0
16 + -3r = -2 + 0
16 + -3r = -2

Add '-16' to each side of the equation.
16 + -16 + -3r = -2 + -16

Combine like terms: 16 + -16 = 0
0 + -3r = -2 + -16
-3r = -2 + -16

Combine like terms: -2 + -16 = -18
-3r = -18

Divide each side by '-3'.
r = 6

Simplifying
r = 6

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