13r+2r-8=6r-1

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Solution for 13r+2r-8=6r-1 equation:


Simplifying
13r + 2r + -8 = 6r + -1

Reorder the terms:
-8 + 13r + 2r = 6r + -1

Combine like terms: 13r + 2r = 15r
-8 + 15r = 6r + -1

Reorder the terms:
-8 + 15r = -1 + 6r

Solving
-8 + 15r = -1 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
-8 + 15r + -6r = -1 + 6r + -6r

Combine like terms: 15r + -6r = 9r
-8 + 9r = -1 + 6r + -6r

Combine like terms: 6r + -6r = 0
-8 + 9r = -1 + 0
-8 + 9r = -1

Add '8' to each side of the equation.
-8 + 8 + 9r = -1 + 8

Combine like terms: -8 + 8 = 0
0 + 9r = -1 + 8
9r = -1 + 8

Combine like terms: -1 + 8 = 7
9r = 7

Divide each side by '9'.
r = 0.7777777778

Simplifying
r = 0.7777777778

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