2r-15=39+8r

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Solution for 2r-15=39+8r equation:


Simplifying
2r + -15 = 39 + 8r

Reorder the terms:
-15 + 2r = 39 + 8r

Solving
-15 + 2r = 39 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-15 + 2r + -8r = 39 + 8r + -8r

Combine like terms: 2r + -8r = -6r
-15 + -6r = 39 + 8r + -8r

Combine like terms: 8r + -8r = 0
-15 + -6r = 39 + 0
-15 + -6r = 39

Add '15' to each side of the equation.
-15 + 15 + -6r = 39 + 15

Combine like terms: -15 + 15 = 0
0 + -6r = 39 + 15
-6r = 39 + 15

Combine like terms: 39 + 15 = 54
-6r = 54

Divide each side by '-6'.
r = -9

Simplifying
r = -9

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