13-6r+8r-1=8r+18-3r

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Solution for 13-6r+8r-1=8r+18-3r equation:


Simplifying
13 + -6r + 8r + -1 = 8r + 18 + -3r

Reorder the terms:
13 + -1 + -6r + 8r = 8r + 18 + -3r

Combine like terms: 13 + -1 = 12
12 + -6r + 8r = 8r + 18 + -3r

Combine like terms: -6r + 8r = 2r
12 + 2r = 8r + 18 + -3r

Reorder the terms:
12 + 2r = 18 + 8r + -3r

Combine like terms: 8r + -3r = 5r
12 + 2r = 18 + 5r

Solving
12 + 2r = 18 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
12 + 2r + -5r = 18 + 5r + -5r

Combine like terms: 2r + -5r = -3r
12 + -3r = 18 + 5r + -5r

Combine like terms: 5r + -5r = 0
12 + -3r = 18 + 0
12 + -3r = 18

Add '-12' to each side of the equation.
12 + -12 + -3r = 18 + -12

Combine like terms: 12 + -12 = 0
0 + -3r = 18 + -12
-3r = 18 + -12

Combine like terms: 18 + -12 = 6
-3r = 6

Divide each side by '-3'.
r = -2

Simplifying
r = -2

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