13-3r=2r+8

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Solution for 13-3r=2r+8 equation:


Simplifying
13 + -3r = 2r + 8

Reorder the terms:
13 + -3r = 8 + 2r

Solving
13 + -3r = 8 + 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.
13 + -3r + -2r = 8 + 2r + -2r

Combine like terms: -3r + -2r = -5r
13 + -5r = 8 + 2r + -2r

Combine like terms: 2r + -2r = 0
13 + -5r = 8 + 0
13 + -5r = 8

Add '-13' to each side of the equation.
13 + -13 + -5r = 8 + -13

Combine like terms: 13 + -13 = 0
0 + -5r = 8 + -13
-5r = 8 + -13

Combine like terms: 8 + -13 = -5
-5r = -5

Divide each side by '-5'.
r = 1

Simplifying
r = 1

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