-1=2+2r-5r

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Solution for -1=2+2r-5r equation:


Simplifying
-1 = 2 + 2r + -5r

Combine like terms: 2r + -5r = -3r
-1 = 2 + -3r

Solving
-1 = 2 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
-1 + 3r = 2 + -3r + 3r

Combine like terms: -3r + 3r = 0
-1 + 3r = 2 + 0
-1 + 3r = 2

Add '1' to each side of the equation.
-1 + 1 + 3r = 2 + 1

Combine like terms: -1 + 1 = 0
0 + 3r = 2 + 1
3r = 2 + 1

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

Divide each side by '3'.
r = 1

Simplifying
r = 1

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