3r-10=2

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Solution for 3r-10=2 equation: 


Simplifying
3r + -10 = 2

Reorder the terms:
-10 + 3r = 2

Solving
-10 + 3r = 2

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + 3r = 2 + 10

Combine like terms: -10 + 10 = 0
0 + 3r = 2 + 10
3r = 2 + 10

Combine like terms: 2 + 10 = 12
3r = 12

Divide each side by '3'.
r = 4

Simplifying
r = 4

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