2r-3r+8=3r-8

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Solution for 2r-3r+8=3r-8 equation: 


Simplifying
2r + -3r + 8 = 3r + -8

Reorder the terms:
8 + 2r + -3r = 3r + -8

Combine like terms: 2r + -3r = -1r
8 + -1r = 3r + -8

Reorder the terms:
8 + -1r = -8 + 3r

Solving
8 + -1r = -8 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
8 + -1r + -3r = -8 + 3r + -3r

Combine like terms: -1r + -3r = -4r
8 + -4r = -8 + 3r + -3r

Combine like terms: 3r + -3r = 0
8 + -4r = -8 + 0
8 + -4r = -8

Add '-8' to each side of the equation.
8 + -8 + -4r = -8 + -8

Combine like terms: 8 + -8 = 0
0 + -4r = -8 + -8
-4r = -8 + -8

Combine like terms: -8 + -8 = -16
-4r = -16

Divide each side by '-4'.
r = 4

Simplifying
r = 4

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