1=-2+r

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Solution for 1=-2+r equation:


Simplifying
1 = -2 + r

Solving
1 = -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.
1 + -1r = -2 + r + -1r

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

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

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

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

Divide each side by '-1'.
r = 3

Simplifying
r = 3

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