13r-7-10r=2

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Solution for 13r-7-10r=2 equation: 


Simplifying
13r + -7 + -10r = 2

Reorder the terms:
-7 + 13r + -10r = 2

Combine like terms: 13r + -10r = 3r
-7 + 3r = 2

Solving
-7 + 3r = 2

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 3r = 2 + 7

Combine like terms: -7 + 7 = 0
0 + 3r = 2 + 7
3r = 2 + 7

Combine like terms: 2 + 7 = 9
3r = 9

Divide each side by '3'.
r = 3

Simplifying
r = 3

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