-r-10=-2r

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


Simplifying
-1r + -10 = -2r

Reorder the terms:
-10 + -1r = -2r

Solving
-10 + -1r = -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
-10 + -1r + 2r = -2r + 2r

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

Combine like terms: -2r + 2r = 0
-10 + 1r = 0

Add '10' to each side of the equation.
-10 + 10 + 1r = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 1r = 0 + 10
1r = 0 + 10

Combine like terms: 0 + 10 = 10
1r = 10

Divide each side by '1'.
r = 10

Simplifying
r = 10

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