2r-12=r-2

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Solution for 2r-12=r-2 equation:


Simplifying
2r + -12 = r + -2

Reorder the terms:
-12 + 2r = r + -2

Reorder the terms:
-12 + 2r = -2 + r

Solving
-12 + 2r = -2 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-12 + 2r + -1r = -2 + r + -1r

Combine like terms: 2r + -1r = 1r
-12 + 1r = -2 + r + -1r

Combine like terms: r + -1r = 0
-12 + 1r = -2 + 0
-12 + 1r = -2

Add '12' to each side of the equation.
-12 + 12 + 1r = -2 + 12

Combine like terms: -12 + 12 = 0
0 + 1r = -2 + 12
1r = -2 + 12

Combine like terms: -2 + 12 = 10
1r = 10

Divide each side by '1'.
r = 10

Simplifying
r = 10

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