r-2=-r+1

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Solution for r-2=-r+1 equation:


Simplifying
r + -2 = -1r + 1

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

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

Solving
-2 + r = 1 + -1r

Solving for variable 'r'.

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

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

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

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

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

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

Combine like terms: 1 + 2 = 3
2r = 3

Divide each side by '2'.
r = 1.5

Simplifying
r = 1.5

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