-5-r=1+2

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


Simplifying
-5 + -1r = 1 + 2

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

Solving
-5 + -1r = 3

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + -1r = 3 + 5

Combine like terms: -5 + 5 = 0
0 + -1r = 3 + 5
-1r = 3 + 5

Combine like terms: 3 + 5 = 8
-1r = 8

Divide each side by '-1'.
r = -8

Simplifying
r = -8

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